1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 22379c004dSEric Schrock * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #include <sys/types.h> 27fa9e4066Sahrens #include <sys/param.h> 28fa9e4066Sahrens #include <sys/errno.h> 29fa9e4066Sahrens #include <sys/uio.h> 30fa9e4066Sahrens #include <sys/buf.h> 31fa9e4066Sahrens #include <sys/modctl.h> 32fa9e4066Sahrens #include <sys/open.h> 33fa9e4066Sahrens #include <sys/file.h> 34fa9e4066Sahrens #include <sys/kmem.h> 35fa9e4066Sahrens #include <sys/conf.h> 36fa9e4066Sahrens #include <sys/cmn_err.h> 37fa9e4066Sahrens #include <sys/stat.h> 38fa9e4066Sahrens #include <sys/zfs_ioctl.h> 39da6c28aaSamw #include <sys/zfs_znode.h> 40fa9e4066Sahrens #include <sys/zap.h> 41fa9e4066Sahrens #include <sys/spa.h> 42b1b8ab34Slling #include <sys/spa_impl.h> 43fa9e4066Sahrens #include <sys/vdev.h> 44b1b8ab34Slling #include <sys/vdev_impl.h> 45fa9e4066Sahrens #include <sys/dmu.h> 46fa9e4066Sahrens #include <sys/dsl_dir.h> 47fa9e4066Sahrens #include <sys/dsl_dataset.h> 48fa9e4066Sahrens #include <sys/dsl_prop.h> 49ecd6cf80Smarks #include <sys/dsl_deleg.h> 50ecd6cf80Smarks #include <sys/dmu_objset.h> 51fa9e4066Sahrens #include <sys/ddi.h> 52fa9e4066Sahrens #include <sys/sunddi.h> 53fa9e4066Sahrens #include <sys/sunldi.h> 54fa9e4066Sahrens #include <sys/policy.h> 55fa9e4066Sahrens #include <sys/zone.h> 56fa9e4066Sahrens #include <sys/nvpair.h> 57fa9e4066Sahrens #include <sys/pathname.h> 58fa9e4066Sahrens #include <sys/mount.h> 59fa9e4066Sahrens #include <sys/sdt.h> 60fa9e4066Sahrens #include <sys/fs/zfs.h> 61fa9e4066Sahrens #include <sys/zfs_ctldir.h> 62da6c28aaSamw #include <sys/zfs_dir.h> 63a2eea2e1Sahrens #include <sys/zvol.h> 64ecd6cf80Smarks #include <sharefs/share.h> 65f18faf3fSek #include <sys/dmu_objset.h> 66fa9e4066Sahrens 67fa9e4066Sahrens #include "zfs_namecheck.h" 68e9dbad6fSeschrock #include "zfs_prop.h" 69ecd6cf80Smarks #include "zfs_deleg.h" 70fa9e4066Sahrens 71fa9e4066Sahrens extern struct modlfs zfs_modlfs; 72fa9e4066Sahrens 73fa9e4066Sahrens extern void zfs_init(void); 74fa9e4066Sahrens extern void zfs_fini(void); 75fa9e4066Sahrens 76fa9e4066Sahrens ldi_ident_t zfs_li = NULL; 77fa9e4066Sahrens dev_info_t *zfs_dip; 78fa9e4066Sahrens 79fa9e4066Sahrens typedef int zfs_ioc_func_t(zfs_cmd_t *); 80ecd6cf80Smarks typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *); 81fa9e4066Sahrens 8254d692b7SGeorge Wilson typedef enum { 8354d692b7SGeorge Wilson NO_NAME, 8454d692b7SGeorge Wilson POOL_NAME, 8554d692b7SGeorge Wilson DATASET_NAME 8654d692b7SGeorge Wilson } zfs_ioc_namecheck_t; 8754d692b7SGeorge Wilson 88fa9e4066Sahrens typedef struct zfs_ioc_vec { 89fa9e4066Sahrens zfs_ioc_func_t *zvec_func; 90fa9e4066Sahrens zfs_secpolicy_func_t *zvec_secpolicy; 9154d692b7SGeorge Wilson zfs_ioc_namecheck_t zvec_namecheck; 92ecd6cf80Smarks boolean_t zvec_his_log; 9354d692b7SGeorge Wilson boolean_t zvec_pool_check; 94fa9e4066Sahrens } zfs_ioc_vec_t; 95fa9e4066Sahrens 9614843421SMatthew Ahrens /* This array is indexed by zfs_userquota_prop_t */ 9714843421SMatthew Ahrens static const char *userquota_perms[] = { 9814843421SMatthew Ahrens ZFS_DELEG_PERM_USERUSED, 9914843421SMatthew Ahrens ZFS_DELEG_PERM_USERQUOTA, 10014843421SMatthew Ahrens ZFS_DELEG_PERM_GROUPUSED, 10114843421SMatthew Ahrens ZFS_DELEG_PERM_GROUPQUOTA, 10214843421SMatthew Ahrens }; 10314843421SMatthew Ahrens 10414843421SMatthew Ahrens static int zfs_ioc_userspace_upgrade(zfs_cmd_t *zc); 1056e77af0aSDavid Pacheco static void clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops); 1060a48a24eStimh static int zfs_fill_zplprops_root(uint64_t, nvlist_t *, nvlist_t *, 1070a48a24eStimh boolean_t *); 1080a48a24eStimh int zfs_set_prop_nvlist(const char *, nvlist_t *); 1090a48a24eStimh 110fa9e4066Sahrens /* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */ 111fa9e4066Sahrens void 112fa9e4066Sahrens __dprintf(const char *file, const char *func, int line, const char *fmt, ...) 113fa9e4066Sahrens { 114fa9e4066Sahrens const char *newfile; 115fa9e4066Sahrens char buf[256]; 116fa9e4066Sahrens va_list adx; 117fa9e4066Sahrens 118fa9e4066Sahrens /* 119fa9e4066Sahrens * Get rid of annoying "../common/" prefix to filename. 120fa9e4066Sahrens */ 121fa9e4066Sahrens newfile = strrchr(file, '/'); 122fa9e4066Sahrens if (newfile != NULL) { 123fa9e4066Sahrens newfile = newfile + 1; /* Get rid of leading / */ 124fa9e4066Sahrens } else { 125fa9e4066Sahrens newfile = file; 126fa9e4066Sahrens } 127fa9e4066Sahrens 128fa9e4066Sahrens va_start(adx, fmt); 129fa9e4066Sahrens (void) vsnprintf(buf, sizeof (buf), fmt, adx); 130fa9e4066Sahrens va_end(adx); 131fa9e4066Sahrens 132fa9e4066Sahrens /* 133fa9e4066Sahrens * To get this data, use the zfs-dprintf probe as so: 134fa9e4066Sahrens * dtrace -q -n 'zfs-dprintf \ 135fa9e4066Sahrens * /stringof(arg0) == "dbuf.c"/ \ 136fa9e4066Sahrens * {printf("%s: %s", stringof(arg1), stringof(arg3))}' 137fa9e4066Sahrens * arg0 = file name 138fa9e4066Sahrens * arg1 = function name 139fa9e4066Sahrens * arg2 = line number 140fa9e4066Sahrens * arg3 = message 141fa9e4066Sahrens */ 142fa9e4066Sahrens DTRACE_PROBE4(zfs__dprintf, 143fa9e4066Sahrens char *, newfile, char *, func, int, line, char *, buf); 144fa9e4066Sahrens } 145fa9e4066Sahrens 146ecd6cf80Smarks static void 147228975ccSek history_str_free(char *buf) 148228975ccSek { 149228975ccSek kmem_free(buf, HIS_MAX_RECORD_LEN); 150228975ccSek } 151228975ccSek 152228975ccSek static char * 153228975ccSek history_str_get(zfs_cmd_t *zc) 154ecd6cf80Smarks { 15540feaa91Sahrens char *buf; 156ecd6cf80Smarks 157ecd6cf80Smarks if (zc->zc_history == NULL) 158228975ccSek return (NULL); 159e7437265Sahrens 160ecd6cf80Smarks buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); 161ecd6cf80Smarks if (copyinstr((void *)(uintptr_t)zc->zc_history, 162ecd6cf80Smarks buf, HIS_MAX_RECORD_LEN, NULL) != 0) { 163228975ccSek history_str_free(buf); 164228975ccSek return (NULL); 165ecd6cf80Smarks } 166ecd6cf80Smarks 167ecd6cf80Smarks buf[HIS_MAX_RECORD_LEN -1] = '\0'; 168ecd6cf80Smarks 169228975ccSek return (buf); 170228975ccSek } 171ecd6cf80Smarks 17215e6edf1Sgw /* 17315e6edf1Sgw * Check to see if the named dataset is currently defined as bootable 17415e6edf1Sgw */ 17515e6edf1Sgw static boolean_t 17615e6edf1Sgw zfs_is_bootfs(const char *name) 17715e6edf1Sgw { 178503ad85cSMatthew Ahrens objset_t *os; 17915e6edf1Sgw 180503ad85cSMatthew Ahrens if (dmu_objset_hold(name, FTAG, &os) == 0) { 181503ad85cSMatthew Ahrens boolean_t ret; 182503ad85cSMatthew Ahrens ret = (dmu_objset_id(os) == dmu_objset_spa(os)->spa_bootfs); 183503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 184503ad85cSMatthew Ahrens return (ret); 18515e6edf1Sgw } 186503ad85cSMatthew Ahrens return (B_FALSE); 18715e6edf1Sgw } 18815e6edf1Sgw 189c2a93d44Stimh /* 1900a48a24eStimh * zfs_earlier_version 191c2a93d44Stimh * 192c2a93d44Stimh * Return non-zero if the spa version is less than requested version. 193c2a93d44Stimh */ 194da6c28aaSamw static int 1950a48a24eStimh zfs_earlier_version(const char *name, int version) 196da6c28aaSamw { 197da6c28aaSamw spa_t *spa; 198da6c28aaSamw 199da6c28aaSamw if (spa_open(name, &spa, FTAG) == 0) { 200da6c28aaSamw if (spa_version(spa) < version) { 201da6c28aaSamw spa_close(spa, FTAG); 202da6c28aaSamw return (1); 203da6c28aaSamw } 204da6c28aaSamw spa_close(spa, FTAG); 205da6c28aaSamw } 206da6c28aaSamw return (0); 207da6c28aaSamw } 208da6c28aaSamw 2099e6eda55Smarks /* 210745cd3c5Smaybee * zpl_earlier_version 2119e6eda55Smarks * 212745cd3c5Smaybee * Return TRUE if the ZPL version is less than requested version. 2139e6eda55Smarks */ 214745cd3c5Smaybee static boolean_t 215745cd3c5Smaybee zpl_earlier_version(const char *name, int version) 2169e6eda55Smarks { 2179e6eda55Smarks objset_t *os; 218745cd3c5Smaybee boolean_t rc = B_TRUE; 2199e6eda55Smarks 220503ad85cSMatthew Ahrens if (dmu_objset_hold(name, FTAG, &os) == 0) { 221745cd3c5Smaybee uint64_t zplversion; 2229e6eda55Smarks 223503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 224503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 225503ad85cSMatthew Ahrens return (B_TRUE); 226503ad85cSMatthew Ahrens } 227503ad85cSMatthew Ahrens /* XXX reading from non-owned objset */ 228745cd3c5Smaybee if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &zplversion) == 0) 229745cd3c5Smaybee rc = zplversion < version; 230503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2319e6eda55Smarks } 2329e6eda55Smarks return (rc); 2339e6eda55Smarks } 2349e6eda55Smarks 235228975ccSek static void 236228975ccSek zfs_log_history(zfs_cmd_t *zc) 237228975ccSek { 238228975ccSek spa_t *spa; 239228975ccSek char *buf; 240ecd6cf80Smarks 241228975ccSek if ((buf = history_str_get(zc)) == NULL) 242228975ccSek return; 243228975ccSek 244228975ccSek if (spa_open(zc->zc_name, &spa, FTAG) == 0) { 245228975ccSek if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) 246228975ccSek (void) spa_history_log(spa, buf, LOG_CMD_NORMAL); 247228975ccSek spa_close(spa, FTAG); 248228975ccSek } 249228975ccSek history_str_free(buf); 250ecd6cf80Smarks } 251ecd6cf80Smarks 252fa9e4066Sahrens /* 253fa9e4066Sahrens * Policy for top-level read operations (list pools). Requires no privileges, 254fa9e4066Sahrens * and can be used in the local zone, as there is no associated dataset. 255fa9e4066Sahrens */ 256fa9e4066Sahrens /* ARGSUSED */ 257fa9e4066Sahrens static int 258ecd6cf80Smarks zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) 259fa9e4066Sahrens { 260fa9e4066Sahrens return (0); 261fa9e4066Sahrens } 262fa9e4066Sahrens 263fa9e4066Sahrens /* 264fa9e4066Sahrens * Policy for dataset read operations (list children, get statistics). Requires 265fa9e4066Sahrens * no privileges, but must be visible in the local zone. 266fa9e4066Sahrens */ 267fa9e4066Sahrens /* ARGSUSED */ 268fa9e4066Sahrens static int 269ecd6cf80Smarks zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) 270fa9e4066Sahrens { 271fa9e4066Sahrens if (INGLOBALZONE(curproc) || 272ecd6cf80Smarks zone_dataset_visible(zc->zc_name, NULL)) 273fa9e4066Sahrens return (0); 274fa9e4066Sahrens 275fa9e4066Sahrens return (ENOENT); 276fa9e4066Sahrens } 277fa9e4066Sahrens 278fa9e4066Sahrens static int 279fa9e4066Sahrens zfs_dozonecheck(const char *dataset, cred_t *cr) 280fa9e4066Sahrens { 281fa9e4066Sahrens uint64_t zoned; 282fa9e4066Sahrens int writable = 1; 283fa9e4066Sahrens 284fa9e4066Sahrens /* 285fa9e4066Sahrens * The dataset must be visible by this zone -- check this first 286fa9e4066Sahrens * so they don't see EPERM on something they shouldn't know about. 287fa9e4066Sahrens */ 288fa9e4066Sahrens if (!INGLOBALZONE(curproc) && 289fa9e4066Sahrens !zone_dataset_visible(dataset, &writable)) 290fa9e4066Sahrens return (ENOENT); 291fa9e4066Sahrens 292fa9e4066Sahrens if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) 293fa9e4066Sahrens return (ENOENT); 294fa9e4066Sahrens 295fa9e4066Sahrens if (INGLOBALZONE(curproc)) { 296fa9e4066Sahrens /* 297fa9e4066Sahrens * If the fs is zoned, only root can access it from the 298fa9e4066Sahrens * global zone. 299fa9e4066Sahrens */ 300fa9e4066Sahrens if (secpolicy_zfs(cr) && zoned) 301fa9e4066Sahrens return (EPERM); 302fa9e4066Sahrens } else { 303fa9e4066Sahrens /* 304fa9e4066Sahrens * If we are in a local zone, the 'zoned' property must be set. 305fa9e4066Sahrens */ 306fa9e4066Sahrens if (!zoned) 307fa9e4066Sahrens return (EPERM); 308fa9e4066Sahrens 309fa9e4066Sahrens /* must be writable by this zone */ 310fa9e4066Sahrens if (!writable) 311fa9e4066Sahrens return (EPERM); 312fa9e4066Sahrens } 313fa9e4066Sahrens return (0); 314fa9e4066Sahrens } 315fa9e4066Sahrens 316fa9e4066Sahrens int 317ecd6cf80Smarks zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) 318fa9e4066Sahrens { 319fa9e4066Sahrens int error; 320fa9e4066Sahrens 321ecd6cf80Smarks error = zfs_dozonecheck(name, cr); 322ecd6cf80Smarks if (error == 0) { 323ecd6cf80Smarks error = secpolicy_zfs(cr); 324db870a07Sahrens if (error) 325ecd6cf80Smarks error = dsl_deleg_access(name, perm, cr); 326ecd6cf80Smarks } 327ecd6cf80Smarks return (error); 328ecd6cf80Smarks } 329ecd6cf80Smarks 330ecd6cf80Smarks static int 331ecd6cf80Smarks zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) 332ecd6cf80Smarks { 333ecd6cf80Smarks /* 334ecd6cf80Smarks * Check permissions for special properties. 335ecd6cf80Smarks */ 336ecd6cf80Smarks switch (prop) { 337ecd6cf80Smarks case ZFS_PROP_ZONED: 338ecd6cf80Smarks /* 339ecd6cf80Smarks * Disallow setting of 'zoned' from within a local zone. 340ecd6cf80Smarks */ 341ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 342ecd6cf80Smarks return (EPERM); 343ecd6cf80Smarks break; 344ecd6cf80Smarks 345ecd6cf80Smarks case ZFS_PROP_QUOTA: 346ecd6cf80Smarks if (!INGLOBALZONE(curproc)) { 347ecd6cf80Smarks uint64_t zoned; 348ecd6cf80Smarks char setpoint[MAXNAMELEN]; 349ecd6cf80Smarks /* 350ecd6cf80Smarks * Unprivileged users are allowed to modify the 351ecd6cf80Smarks * quota on things *under* (ie. contained by) 352ecd6cf80Smarks * the thing they own. 353ecd6cf80Smarks */ 354ecd6cf80Smarks if (dsl_prop_get_integer(name, "zoned", &zoned, 355ecd6cf80Smarks setpoint)) 356ecd6cf80Smarks return (EPERM); 357db870a07Sahrens if (!zoned || strlen(name) <= strlen(setpoint)) 358ecd6cf80Smarks return (EPERM); 359ecd6cf80Smarks } 360db870a07Sahrens break; 361ecd6cf80Smarks } 362ecd6cf80Smarks 36391ebeef5Sahrens return (zfs_secpolicy_write_perms(name, zfs_prop_to_name(prop), cr)); 364ecd6cf80Smarks } 365ecd6cf80Smarks 366ecd6cf80Smarks int 367ecd6cf80Smarks zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) 368ecd6cf80Smarks { 369ecd6cf80Smarks int error; 370ecd6cf80Smarks 371ecd6cf80Smarks error = zfs_dozonecheck(zc->zc_name, cr); 372ecd6cf80Smarks if (error) 373fa9e4066Sahrens return (error); 374fa9e4066Sahrens 375ecd6cf80Smarks /* 376ecd6cf80Smarks * permission to set permissions will be evaluated later in 377ecd6cf80Smarks * dsl_deleg_can_allow() 378ecd6cf80Smarks */ 379ecd6cf80Smarks return (0); 380ecd6cf80Smarks } 381ecd6cf80Smarks 382ecd6cf80Smarks int 383ecd6cf80Smarks zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) 384ecd6cf80Smarks { 385*681d9761SEric Taylor return (zfs_secpolicy_write_perms(zc->zc_name, 386*681d9761SEric Taylor ZFS_DELEG_PERM_ROLLBACK, cr)); 387ecd6cf80Smarks } 388ecd6cf80Smarks 389ecd6cf80Smarks int 390ecd6cf80Smarks zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) 391ecd6cf80Smarks { 392ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 393ecd6cf80Smarks ZFS_DELEG_PERM_SEND, cr)); 394ecd6cf80Smarks } 395ecd6cf80Smarks 396743a77edSAlan Wright static int 397743a77edSAlan Wright zfs_secpolicy_deleg_share(zfs_cmd_t *zc, cred_t *cr) 398743a77edSAlan Wright { 399743a77edSAlan Wright vnode_t *vp; 400743a77edSAlan Wright int error; 401743a77edSAlan Wright 402743a77edSAlan Wright if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, 403743a77edSAlan Wright NO_FOLLOW, NULL, &vp)) != 0) 404743a77edSAlan Wright return (error); 405743a77edSAlan Wright 406743a77edSAlan Wright /* Now make sure mntpnt and dataset are ZFS */ 407743a77edSAlan Wright 408743a77edSAlan Wright if (vp->v_vfsp->vfs_fstype != zfsfstype || 409743a77edSAlan Wright (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), 410743a77edSAlan Wright zc->zc_name) != 0)) { 411743a77edSAlan Wright VN_RELE(vp); 412743a77edSAlan Wright return (EPERM); 413743a77edSAlan Wright } 414743a77edSAlan Wright 415743a77edSAlan Wright VN_RELE(vp); 416743a77edSAlan Wright return (dsl_deleg_access(zc->zc_name, 417743a77edSAlan Wright ZFS_DELEG_PERM_SHARE, cr)); 418743a77edSAlan Wright } 419743a77edSAlan Wright 420ecd6cf80Smarks int 421ecd6cf80Smarks zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) 422ecd6cf80Smarks { 423ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 424ecd6cf80Smarks return (EPERM); 425ecd6cf80Smarks 4263cb34c60Sahrens if (secpolicy_nfs(cr) == 0) { 427ecd6cf80Smarks return (0); 428ecd6cf80Smarks } else { 429743a77edSAlan Wright return (zfs_secpolicy_deleg_share(zc, cr)); 430743a77edSAlan Wright } 431743a77edSAlan Wright } 432ecd6cf80Smarks 433743a77edSAlan Wright int 434743a77edSAlan Wright zfs_secpolicy_smb_acl(zfs_cmd_t *zc, cred_t *cr) 435743a77edSAlan Wright { 436743a77edSAlan Wright if (!INGLOBALZONE(curproc)) 437743a77edSAlan Wright return (EPERM); 438ecd6cf80Smarks 439743a77edSAlan Wright if (secpolicy_smb(cr) == 0) { 440743a77edSAlan Wright return (0); 441743a77edSAlan Wright } else { 442743a77edSAlan Wright return (zfs_secpolicy_deleg_share(zc, cr)); 443ecd6cf80Smarks } 444fa9e4066Sahrens } 445fa9e4066Sahrens 446fa9e4066Sahrens static int 447ecd6cf80Smarks zfs_get_parent(const char *datasetname, char *parent, int parentsize) 448fa9e4066Sahrens { 449fa9e4066Sahrens char *cp; 450fa9e4066Sahrens 451fa9e4066Sahrens /* 452fa9e4066Sahrens * Remove the @bla or /bla from the end of the name to get the parent. 453fa9e4066Sahrens */ 454ecd6cf80Smarks (void) strncpy(parent, datasetname, parentsize); 455ecd6cf80Smarks cp = strrchr(parent, '@'); 456fa9e4066Sahrens if (cp != NULL) { 457fa9e4066Sahrens cp[0] = '\0'; 458fa9e4066Sahrens } else { 459ecd6cf80Smarks cp = strrchr(parent, '/'); 460fa9e4066Sahrens if (cp == NULL) 461fa9e4066Sahrens return (ENOENT); 462fa9e4066Sahrens cp[0] = '\0'; 463ecd6cf80Smarks } 464ecd6cf80Smarks 465ecd6cf80Smarks return (0); 466ecd6cf80Smarks } 467ecd6cf80Smarks 468ecd6cf80Smarks int 469ecd6cf80Smarks zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) 470ecd6cf80Smarks { 471ecd6cf80Smarks int error; 472ecd6cf80Smarks 473ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(name, 474ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 475ecd6cf80Smarks return (error); 476ecd6cf80Smarks 477ecd6cf80Smarks return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); 478ecd6cf80Smarks } 479ecd6cf80Smarks 480ecd6cf80Smarks static int 481ecd6cf80Smarks zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) 482ecd6cf80Smarks { 483ecd6cf80Smarks return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); 484ecd6cf80Smarks } 485ecd6cf80Smarks 486ecd6cf80Smarks /* 487ecd6cf80Smarks * Must have sys_config privilege to check the iscsi permission 488ecd6cf80Smarks */ 489ecd6cf80Smarks /* ARGSUSED */ 490ecd6cf80Smarks static int 491ecd6cf80Smarks zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) 492ecd6cf80Smarks { 493ecd6cf80Smarks return (secpolicy_zfs(cr)); 494ecd6cf80Smarks } 495ecd6cf80Smarks 496ecd6cf80Smarks int 497ecd6cf80Smarks zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) 498ecd6cf80Smarks { 499ecd6cf80Smarks char parentname[MAXNAMELEN]; 500ecd6cf80Smarks int error; 501ecd6cf80Smarks 502ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 503ecd6cf80Smarks ZFS_DELEG_PERM_RENAME, cr)) != 0) 504ecd6cf80Smarks return (error); 505ecd6cf80Smarks 506ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 507ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 508ecd6cf80Smarks return (error); 509ecd6cf80Smarks 510ecd6cf80Smarks if ((error = zfs_get_parent(to, parentname, 511ecd6cf80Smarks sizeof (parentname))) != 0) 512ecd6cf80Smarks return (error); 513ecd6cf80Smarks 514ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 515ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 516ecd6cf80Smarks return (error); 517ecd6cf80Smarks 518ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 519ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 520ecd6cf80Smarks return (error); 521ecd6cf80Smarks 522ecd6cf80Smarks return (error); 523ecd6cf80Smarks } 524ecd6cf80Smarks 525ecd6cf80Smarks static int 526ecd6cf80Smarks zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) 527ecd6cf80Smarks { 528ecd6cf80Smarks return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); 529ecd6cf80Smarks } 530ecd6cf80Smarks 531ecd6cf80Smarks static int 532ecd6cf80Smarks zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) 533ecd6cf80Smarks { 534ecd6cf80Smarks char parentname[MAXNAMELEN]; 535ecd6cf80Smarks objset_t *clone; 536ecd6cf80Smarks int error; 537ecd6cf80Smarks 538ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 539ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 540ecd6cf80Smarks if (error) 541ecd6cf80Smarks return (error); 542ecd6cf80Smarks 543503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &clone); 544ecd6cf80Smarks 545ecd6cf80Smarks if (error == 0) { 546ecd6cf80Smarks dsl_dataset_t *pclone = NULL; 547ecd6cf80Smarks dsl_dir_t *dd; 548503ad85cSMatthew Ahrens dd = clone->os_dsl_dataset->ds_dir; 549ecd6cf80Smarks 550ecd6cf80Smarks rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); 551745cd3c5Smaybee error = dsl_dataset_hold_obj(dd->dd_pool, 552745cd3c5Smaybee dd->dd_phys->dd_origin_obj, FTAG, &pclone); 553ecd6cf80Smarks rw_exit(&dd->dd_pool->dp_config_rwlock); 554ecd6cf80Smarks if (error) { 555503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 556ecd6cf80Smarks return (error); 557ecd6cf80Smarks } 558ecd6cf80Smarks 559ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 560ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 561ecd6cf80Smarks 562ecd6cf80Smarks dsl_dataset_name(pclone, parentname); 563503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 564745cd3c5Smaybee dsl_dataset_rele(pclone, FTAG); 565ecd6cf80Smarks if (error == 0) 566ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 567ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 568ecd6cf80Smarks } 569ecd6cf80Smarks return (error); 570ecd6cf80Smarks } 571ecd6cf80Smarks 572ecd6cf80Smarks static int 573ecd6cf80Smarks zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) 574ecd6cf80Smarks { 575ecd6cf80Smarks int error; 576ecd6cf80Smarks 577ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 578ecd6cf80Smarks ZFS_DELEG_PERM_RECEIVE, cr)) != 0) 579ecd6cf80Smarks return (error); 580ecd6cf80Smarks 581ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 582ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 583ecd6cf80Smarks return (error); 584ecd6cf80Smarks 585ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 586ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)); 587ecd6cf80Smarks } 588ecd6cf80Smarks 589ecd6cf80Smarks int 590ecd6cf80Smarks zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) 591ecd6cf80Smarks { 592*681d9761SEric Taylor return (zfs_secpolicy_write_perms(name, 593*681d9761SEric Taylor ZFS_DELEG_PERM_SNAPSHOT, cr)); 594ecd6cf80Smarks } 595ecd6cf80Smarks 596ecd6cf80Smarks static int 597ecd6cf80Smarks zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) 598ecd6cf80Smarks { 599ecd6cf80Smarks 600ecd6cf80Smarks return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); 601ecd6cf80Smarks } 602ecd6cf80Smarks 603ecd6cf80Smarks static int 604ecd6cf80Smarks zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) 605ecd6cf80Smarks { 606ecd6cf80Smarks char parentname[MAXNAMELEN]; 607ecd6cf80Smarks int error; 608ecd6cf80Smarks 609ecd6cf80Smarks if ((error = zfs_get_parent(zc->zc_name, parentname, 610ecd6cf80Smarks sizeof (parentname))) != 0) 611ecd6cf80Smarks return (error); 612fa9e4066Sahrens 613ecd6cf80Smarks if (zc->zc_value[0] != '\0') { 614ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_value, 615ecd6cf80Smarks ZFS_DELEG_PERM_CLONE, cr)) != 0) 616ecd6cf80Smarks return (error); 617fa9e4066Sahrens } 618fa9e4066Sahrens 619ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 620ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 621ecd6cf80Smarks return (error); 622ecd6cf80Smarks 623ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 624ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 625ecd6cf80Smarks 626ecd6cf80Smarks return (error); 627ecd6cf80Smarks } 628ecd6cf80Smarks 629ecd6cf80Smarks static int 630ecd6cf80Smarks zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) 631ecd6cf80Smarks { 632ecd6cf80Smarks int error; 633ecd6cf80Smarks 634ecd6cf80Smarks error = secpolicy_fs_unmount(cr, NULL); 635ecd6cf80Smarks if (error) { 636ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); 637ecd6cf80Smarks } 638ecd6cf80Smarks return (error); 639fa9e4066Sahrens } 640fa9e4066Sahrens 641fa9e4066Sahrens /* 642fa9e4066Sahrens * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires 643fa9e4066Sahrens * SYS_CONFIG privilege, which is not available in a local zone. 644fa9e4066Sahrens */ 645fa9e4066Sahrens /* ARGSUSED */ 646fa9e4066Sahrens static int 647ecd6cf80Smarks zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) 648fa9e4066Sahrens { 649fa9e4066Sahrens if (secpolicy_sys_config(cr, B_FALSE) != 0) 650fa9e4066Sahrens return (EPERM); 651fa9e4066Sahrens 652fa9e4066Sahrens return (0); 653fa9e4066Sahrens } 654fa9e4066Sahrens 655ea8dc4b6Seschrock /* 656ea8dc4b6Seschrock * Policy for fault injection. Requires all privileges. 657ea8dc4b6Seschrock */ 658ea8dc4b6Seschrock /* ARGSUSED */ 659ea8dc4b6Seschrock static int 660ecd6cf80Smarks zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) 661ea8dc4b6Seschrock { 662ea8dc4b6Seschrock return (secpolicy_zinject(cr)); 663ea8dc4b6Seschrock } 664ea8dc4b6Seschrock 665e45ce728Sahrens static int 666e45ce728Sahrens zfs_secpolicy_inherit(zfs_cmd_t *zc, cred_t *cr) 667e45ce728Sahrens { 668e45ce728Sahrens zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); 669e45ce728Sahrens 670990b4856Slling if (prop == ZPROP_INVAL) { 671e45ce728Sahrens if (!zfs_prop_user(zc->zc_value)) 672e45ce728Sahrens return (EINVAL); 673e45ce728Sahrens return (zfs_secpolicy_write_perms(zc->zc_name, 674e45ce728Sahrens ZFS_DELEG_PERM_USERPROP, cr)); 675e45ce728Sahrens } else { 676e45ce728Sahrens if (!zfs_prop_inheritable(prop)) 677e45ce728Sahrens return (EINVAL); 678e45ce728Sahrens return (zfs_secpolicy_setprop(zc->zc_name, prop, cr)); 679e45ce728Sahrens } 680e45ce728Sahrens } 681e45ce728Sahrens 68214843421SMatthew Ahrens static int 68314843421SMatthew Ahrens zfs_secpolicy_userspace_one(zfs_cmd_t *zc, cred_t *cr) 68414843421SMatthew Ahrens { 68514843421SMatthew Ahrens int err = zfs_secpolicy_read(zc, cr); 68614843421SMatthew Ahrens if (err) 68714843421SMatthew Ahrens return (err); 68814843421SMatthew Ahrens 68914843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 69014843421SMatthew Ahrens return (EINVAL); 69114843421SMatthew Ahrens 69214843421SMatthew Ahrens if (zc->zc_value[0] == 0) { 69314843421SMatthew Ahrens /* 69414843421SMatthew Ahrens * They are asking about a posix uid/gid. If it's 69514843421SMatthew Ahrens * themself, allow it. 69614843421SMatthew Ahrens */ 69714843421SMatthew Ahrens if (zc->zc_objset_type == ZFS_PROP_USERUSED || 69814843421SMatthew Ahrens zc->zc_objset_type == ZFS_PROP_USERQUOTA) { 69914843421SMatthew Ahrens if (zc->zc_guid == crgetuid(cr)) 70014843421SMatthew Ahrens return (0); 70114843421SMatthew Ahrens } else { 70214843421SMatthew Ahrens if (groupmember(zc->zc_guid, cr)) 70314843421SMatthew Ahrens return (0); 70414843421SMatthew Ahrens } 70514843421SMatthew Ahrens } 70614843421SMatthew Ahrens 70714843421SMatthew Ahrens return (zfs_secpolicy_write_perms(zc->zc_name, 70814843421SMatthew Ahrens userquota_perms[zc->zc_objset_type], cr)); 70914843421SMatthew Ahrens } 71014843421SMatthew Ahrens 71114843421SMatthew Ahrens static int 71214843421SMatthew Ahrens zfs_secpolicy_userspace_many(zfs_cmd_t *zc, cred_t *cr) 71314843421SMatthew Ahrens { 71414843421SMatthew Ahrens int err = zfs_secpolicy_read(zc, cr); 71514843421SMatthew Ahrens if (err) 71614843421SMatthew Ahrens return (err); 71714843421SMatthew Ahrens 71814843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 71914843421SMatthew Ahrens return (EINVAL); 72014843421SMatthew Ahrens 72114843421SMatthew Ahrens return (zfs_secpolicy_write_perms(zc->zc_name, 72214843421SMatthew Ahrens userquota_perms[zc->zc_objset_type], cr)); 72314843421SMatthew Ahrens } 72414843421SMatthew Ahrens 72514843421SMatthew Ahrens static int 72614843421SMatthew Ahrens zfs_secpolicy_userspace_upgrade(zfs_cmd_t *zc, cred_t *cr) 72714843421SMatthew Ahrens { 72814843421SMatthew Ahrens return (zfs_secpolicy_setprop(zc->zc_name, ZFS_PROP_VERSION, cr)); 72914843421SMatthew Ahrens } 73014843421SMatthew Ahrens 731842727c2SChris Kirby static int 732842727c2SChris Kirby zfs_secpolicy_hold(zfs_cmd_t *zc, cred_t *cr) 733842727c2SChris Kirby { 734842727c2SChris Kirby return (zfs_secpolicy_write_perms(zc->zc_name, 735842727c2SChris Kirby ZFS_DELEG_PERM_HOLD, cr)); 736842727c2SChris Kirby } 737842727c2SChris Kirby 738842727c2SChris Kirby static int 739842727c2SChris Kirby zfs_secpolicy_release(zfs_cmd_t *zc, cred_t *cr) 740842727c2SChris Kirby { 741842727c2SChris Kirby return (zfs_secpolicy_write_perms(zc->zc_name, 742842727c2SChris Kirby ZFS_DELEG_PERM_RELEASE, cr)); 743842727c2SChris Kirby } 744842727c2SChris Kirby 745fa9e4066Sahrens /* 746fa9e4066Sahrens * Returns the nvlist as specified by the user in the zfs_cmd_t. 747fa9e4066Sahrens */ 748fa9e4066Sahrens static int 749478ed9adSEric Taylor get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp) 750fa9e4066Sahrens { 751fa9e4066Sahrens char *packed; 752fa9e4066Sahrens int error; 753990b4856Slling nvlist_t *list = NULL; 754fa9e4066Sahrens 755fa9e4066Sahrens /* 756e9dbad6fSeschrock * Read in and unpack the user-supplied nvlist. 757fa9e4066Sahrens */ 758990b4856Slling if (size == 0) 759fa9e4066Sahrens return (EINVAL); 760fa9e4066Sahrens 761fa9e4066Sahrens packed = kmem_alloc(size, KM_SLEEP); 762fa9e4066Sahrens 763478ed9adSEric Taylor if ((error = ddi_copyin((void *)(uintptr_t)nvl, packed, size, 764478ed9adSEric Taylor iflag)) != 0) { 765fa9e4066Sahrens kmem_free(packed, size); 766fa9e4066Sahrens return (error); 767fa9e4066Sahrens } 768fa9e4066Sahrens 769990b4856Slling if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { 770fa9e4066Sahrens kmem_free(packed, size); 771fa9e4066Sahrens return (error); 772fa9e4066Sahrens } 773fa9e4066Sahrens 774fa9e4066Sahrens kmem_free(packed, size); 775fa9e4066Sahrens 776990b4856Slling *nvp = list; 777fa9e4066Sahrens return (0); 778fa9e4066Sahrens } 779fa9e4066Sahrens 780e9dbad6fSeschrock static int 781e9dbad6fSeschrock put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) 782e9dbad6fSeschrock { 783e9dbad6fSeschrock char *packed = NULL; 784e9dbad6fSeschrock size_t size; 785e9dbad6fSeschrock int error; 786e9dbad6fSeschrock 787e9dbad6fSeschrock VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); 788e9dbad6fSeschrock 789e9dbad6fSeschrock if (size > zc->zc_nvlist_dst_size) { 790e9dbad6fSeschrock error = ENOMEM; 791e9dbad6fSeschrock } else { 792da165920Smarks packed = kmem_alloc(size, KM_SLEEP); 793e9dbad6fSeschrock VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, 794e9dbad6fSeschrock KM_SLEEP) == 0); 795478ed9adSEric Taylor error = ddi_copyout(packed, 796478ed9adSEric Taylor (void *)(uintptr_t)zc->zc_nvlist_dst, size, zc->zc_iflags); 797e9dbad6fSeschrock kmem_free(packed, size); 798e9dbad6fSeschrock } 799e9dbad6fSeschrock 800e9dbad6fSeschrock zc->zc_nvlist_dst_size = size; 801e9dbad6fSeschrock return (error); 802e9dbad6fSeschrock } 803e9dbad6fSeschrock 80414843421SMatthew Ahrens static int 80514843421SMatthew Ahrens getzfsvfs(const char *dsname, zfsvfs_t **zvp) 80614843421SMatthew Ahrens { 80714843421SMatthew Ahrens objset_t *os; 80814843421SMatthew Ahrens int error; 80914843421SMatthew Ahrens 810503ad85cSMatthew Ahrens error = dmu_objset_hold(dsname, FTAG, &os); 81114843421SMatthew Ahrens if (error) 81214843421SMatthew Ahrens return (error); 813503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 814503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 815503ad85cSMatthew Ahrens return (EINVAL); 816503ad85cSMatthew Ahrens } 81714843421SMatthew Ahrens 818503ad85cSMatthew Ahrens mutex_enter(&os->os_user_ptr_lock); 81914843421SMatthew Ahrens *zvp = dmu_objset_get_user(os); 82014843421SMatthew Ahrens if (*zvp) { 82114843421SMatthew Ahrens VFS_HOLD((*zvp)->z_vfs); 82214843421SMatthew Ahrens } else { 82314843421SMatthew Ahrens error = ESRCH; 82414843421SMatthew Ahrens } 825503ad85cSMatthew Ahrens mutex_exit(&os->os_user_ptr_lock); 826503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 82714843421SMatthew Ahrens return (error); 82814843421SMatthew Ahrens } 82914843421SMatthew Ahrens 83014843421SMatthew Ahrens /* 83114843421SMatthew Ahrens * Find a zfsvfs_t for a mounted filesystem, or create our own, in which 83214843421SMatthew Ahrens * case its z_vfs will be NULL, and it will be opened as the owner. 83314843421SMatthew Ahrens */ 83414843421SMatthew Ahrens static int 835503ad85cSMatthew Ahrens zfsvfs_hold(const char *name, void *tag, zfsvfs_t **zvp) 83614843421SMatthew Ahrens { 83714843421SMatthew Ahrens int error = 0; 83814843421SMatthew Ahrens 83914843421SMatthew Ahrens if (getzfsvfs(name, zvp) != 0) 840503ad85cSMatthew Ahrens error = zfsvfs_create(name, zvp); 84114843421SMatthew Ahrens if (error == 0) { 84214843421SMatthew Ahrens rrw_enter(&(*zvp)->z_teardown_lock, RW_READER, tag); 84314843421SMatthew Ahrens if ((*zvp)->z_unmounted) { 84414843421SMatthew Ahrens /* 84514843421SMatthew Ahrens * XXX we could probably try again, since the unmounting 84614843421SMatthew Ahrens * thread should be just about to disassociate the 84714843421SMatthew Ahrens * objset from the zfsvfs. 84814843421SMatthew Ahrens */ 84914843421SMatthew Ahrens rrw_exit(&(*zvp)->z_teardown_lock, tag); 85014843421SMatthew Ahrens return (EBUSY); 85114843421SMatthew Ahrens } 85214843421SMatthew Ahrens } 85314843421SMatthew Ahrens return (error); 85414843421SMatthew Ahrens } 85514843421SMatthew Ahrens 85614843421SMatthew Ahrens static void 85714843421SMatthew Ahrens zfsvfs_rele(zfsvfs_t *zfsvfs, void *tag) 85814843421SMatthew Ahrens { 85914843421SMatthew Ahrens rrw_exit(&zfsvfs->z_teardown_lock, tag); 86014843421SMatthew Ahrens 86114843421SMatthew Ahrens if (zfsvfs->z_vfs) { 86214843421SMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 86314843421SMatthew Ahrens } else { 864503ad85cSMatthew Ahrens dmu_objset_disown(zfsvfs->z_os, zfsvfs); 86514843421SMatthew Ahrens zfsvfs_free(zfsvfs); 86614843421SMatthew Ahrens } 86714843421SMatthew Ahrens } 86814843421SMatthew Ahrens 869fa9e4066Sahrens static int 870fa9e4066Sahrens zfs_ioc_pool_create(zfs_cmd_t *zc) 871fa9e4066Sahrens { 872fa9e4066Sahrens int error; 873990b4856Slling nvlist_t *config, *props = NULL; 8740a48a24eStimh nvlist_t *rootprops = NULL; 8750a48a24eStimh nvlist_t *zplprops = NULL; 876228975ccSek char *buf; 877fa9e4066Sahrens 878990b4856Slling if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 879478ed9adSEric Taylor zc->zc_iflags, &config)) 880fa9e4066Sahrens return (error); 8812a6b87f0Sek 882990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 883478ed9adSEric Taylor get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 884478ed9adSEric Taylor zc->zc_iflags, &props))) { 885990b4856Slling nvlist_free(config); 886990b4856Slling return (error); 887990b4856Slling } 888990b4856Slling 8890a48a24eStimh if (props) { 8900a48a24eStimh nvlist_t *nvl = NULL; 8910a48a24eStimh uint64_t version = SPA_VERSION; 8920a48a24eStimh 8930a48a24eStimh (void) nvlist_lookup_uint64(props, 8940a48a24eStimh zpool_prop_to_name(ZPOOL_PROP_VERSION), &version); 8950a48a24eStimh if (version < SPA_VERSION_INITIAL || version > SPA_VERSION) { 8960a48a24eStimh error = EINVAL; 8970a48a24eStimh goto pool_props_bad; 8980a48a24eStimh } 8990a48a24eStimh (void) nvlist_lookup_nvlist(props, ZPOOL_ROOTFS_PROPS, &nvl); 9000a48a24eStimh if (nvl) { 9010a48a24eStimh error = nvlist_dup(nvl, &rootprops, KM_SLEEP); 9020a48a24eStimh if (error != 0) { 9030a48a24eStimh nvlist_free(config); 9040a48a24eStimh nvlist_free(props); 9050a48a24eStimh return (error); 9060a48a24eStimh } 9070a48a24eStimh (void) nvlist_remove_all(props, ZPOOL_ROOTFS_PROPS); 9080a48a24eStimh } 9090a48a24eStimh VERIFY(nvlist_alloc(&zplprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); 9100a48a24eStimh error = zfs_fill_zplprops_root(version, rootprops, 9110a48a24eStimh zplprops, NULL); 9120a48a24eStimh if (error) 9130a48a24eStimh goto pool_props_bad; 9140a48a24eStimh } 9150a48a24eStimh 9162a6b87f0Sek buf = history_str_get(zc); 917fa9e4066Sahrens 9180a48a24eStimh error = spa_create(zc->zc_name, config, props, buf, zplprops); 9190a48a24eStimh 9200a48a24eStimh /* 9210a48a24eStimh * Set the remaining root properties 9220a48a24eStimh */ 9230a48a24eStimh if (!error && 9240a48a24eStimh (error = zfs_set_prop_nvlist(zc->zc_name, rootprops)) != 0) 9250a48a24eStimh (void) spa_destroy(zc->zc_name); 926fa9e4066Sahrens 9272a6b87f0Sek if (buf != NULL) 9282a6b87f0Sek history_str_free(buf); 929990b4856Slling 9300a48a24eStimh pool_props_bad: 9310a48a24eStimh nvlist_free(rootprops); 9320a48a24eStimh nvlist_free(zplprops); 933fa9e4066Sahrens nvlist_free(config); 9340a48a24eStimh nvlist_free(props); 935990b4856Slling 936fa9e4066Sahrens return (error); 937fa9e4066Sahrens } 938fa9e4066Sahrens 939fa9e4066Sahrens static int 940fa9e4066Sahrens zfs_ioc_pool_destroy(zfs_cmd_t *zc) 941fa9e4066Sahrens { 942ecd6cf80Smarks int error; 943ecd6cf80Smarks zfs_log_history(zc); 944ecd6cf80Smarks error = spa_destroy(zc->zc_name); 945*681d9761SEric Taylor if (error == 0) 946*681d9761SEric Taylor zvol_remove_minors(zc->zc_name); 947ecd6cf80Smarks return (error); 948fa9e4066Sahrens } 949fa9e4066Sahrens 950fa9e4066Sahrens static int 951fa9e4066Sahrens zfs_ioc_pool_import(zfs_cmd_t *zc) 952fa9e4066Sahrens { 953fa9e4066Sahrens int error; 954990b4856Slling nvlist_t *config, *props = NULL; 955fa9e4066Sahrens uint64_t guid; 956fa9e4066Sahrens 957990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 958478ed9adSEric Taylor zc->zc_iflags, &config)) != 0) 959990b4856Slling return (error); 960990b4856Slling 961990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 962478ed9adSEric Taylor get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 963478ed9adSEric Taylor zc->zc_iflags, &props))) { 964990b4856Slling nvlist_free(config); 965fa9e4066Sahrens return (error); 966990b4856Slling } 967fa9e4066Sahrens 968fa9e4066Sahrens if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || 969ea8dc4b6Seschrock guid != zc->zc_guid) 970fa9e4066Sahrens error = EINVAL; 971c5904d13Seschrock else if (zc->zc_cookie) 9726809eb4eSEric Schrock error = spa_import_verbatim(zc->zc_name, config, 973c5904d13Seschrock props); 974fa9e4066Sahrens else 975990b4856Slling error = spa_import(zc->zc_name, config, props); 976fa9e4066Sahrens 977fa9e4066Sahrens nvlist_free(config); 978fa9e4066Sahrens 979990b4856Slling if (props) 980990b4856Slling nvlist_free(props); 981990b4856Slling 982fa9e4066Sahrens return (error); 983fa9e4066Sahrens } 984fa9e4066Sahrens 985fa9e4066Sahrens static int 986fa9e4066Sahrens zfs_ioc_pool_export(zfs_cmd_t *zc) 987fa9e4066Sahrens { 988ecd6cf80Smarks int error; 98989a89ebfSlling boolean_t force = (boolean_t)zc->zc_cookie; 990394ab0cbSGeorge Wilson boolean_t hardforce = (boolean_t)zc->zc_guid; 99189a89ebfSlling 992ecd6cf80Smarks zfs_log_history(zc); 993394ab0cbSGeorge Wilson error = spa_export(zc->zc_name, NULL, force, hardforce); 994*681d9761SEric Taylor if (error == 0) 995*681d9761SEric Taylor zvol_remove_minors(zc->zc_name); 996ecd6cf80Smarks return (error); 997fa9e4066Sahrens } 998fa9e4066Sahrens 999fa9e4066Sahrens static int 1000fa9e4066Sahrens zfs_ioc_pool_configs(zfs_cmd_t *zc) 1001fa9e4066Sahrens { 1002fa9e4066Sahrens nvlist_t *configs; 1003fa9e4066Sahrens int error; 1004fa9e4066Sahrens 1005fa9e4066Sahrens if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) 1006fa9e4066Sahrens return (EEXIST); 1007fa9e4066Sahrens 1008e9dbad6fSeschrock error = put_nvlist(zc, configs); 1009fa9e4066Sahrens 1010fa9e4066Sahrens nvlist_free(configs); 1011fa9e4066Sahrens 1012fa9e4066Sahrens return (error); 1013fa9e4066Sahrens } 1014fa9e4066Sahrens 1015fa9e4066Sahrens static int 1016fa9e4066Sahrens zfs_ioc_pool_stats(zfs_cmd_t *zc) 1017fa9e4066Sahrens { 1018fa9e4066Sahrens nvlist_t *config; 1019fa9e4066Sahrens int error; 1020ea8dc4b6Seschrock int ret = 0; 1021fa9e4066Sahrens 1022e9dbad6fSeschrock error = spa_get_stats(zc->zc_name, &config, zc->zc_value, 1023e9dbad6fSeschrock sizeof (zc->zc_value)); 1024fa9e4066Sahrens 1025fa9e4066Sahrens if (config != NULL) { 1026e9dbad6fSeschrock ret = put_nvlist(zc, config); 1027fa9e4066Sahrens nvlist_free(config); 1028ea8dc4b6Seschrock 1029ea8dc4b6Seschrock /* 1030ea8dc4b6Seschrock * The config may be present even if 'error' is non-zero. 1031ea8dc4b6Seschrock * In this case we return success, and preserve the real errno 1032ea8dc4b6Seschrock * in 'zc_cookie'. 1033ea8dc4b6Seschrock */ 1034ea8dc4b6Seschrock zc->zc_cookie = error; 1035fa9e4066Sahrens } else { 1036ea8dc4b6Seschrock ret = error; 1037fa9e4066Sahrens } 1038fa9e4066Sahrens 1039ea8dc4b6Seschrock return (ret); 1040fa9e4066Sahrens } 1041fa9e4066Sahrens 1042fa9e4066Sahrens /* 1043fa9e4066Sahrens * Try to import the given pool, returning pool stats as appropriate so that 1044fa9e4066Sahrens * user land knows which devices are available and overall pool health. 1045fa9e4066Sahrens */ 1046fa9e4066Sahrens static int 1047fa9e4066Sahrens zfs_ioc_pool_tryimport(zfs_cmd_t *zc) 1048fa9e4066Sahrens { 1049fa9e4066Sahrens nvlist_t *tryconfig, *config; 1050fa9e4066Sahrens int error; 1051fa9e4066Sahrens 1052990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1053478ed9adSEric Taylor zc->zc_iflags, &tryconfig)) != 0) 1054fa9e4066Sahrens return (error); 1055fa9e4066Sahrens 1056fa9e4066Sahrens config = spa_tryimport(tryconfig); 1057fa9e4066Sahrens 1058fa9e4066Sahrens nvlist_free(tryconfig); 1059fa9e4066Sahrens 1060fa9e4066Sahrens if (config == NULL) 1061fa9e4066Sahrens return (EINVAL); 1062fa9e4066Sahrens 1063e9dbad6fSeschrock error = put_nvlist(zc, config); 1064fa9e4066Sahrens nvlist_free(config); 1065fa9e4066Sahrens 1066fa9e4066Sahrens return (error); 1067fa9e4066Sahrens } 1068fa9e4066Sahrens 1069fa9e4066Sahrens static int 1070fa9e4066Sahrens zfs_ioc_pool_scrub(zfs_cmd_t *zc) 1071fa9e4066Sahrens { 1072fa9e4066Sahrens spa_t *spa; 1073fa9e4066Sahrens int error; 1074fa9e4066Sahrens 107506eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 107606eeb2adSek return (error); 107706eeb2adSek 1078088f3894Sahrens error = spa_scrub(spa, zc->zc_cookie); 107906eeb2adSek 108006eeb2adSek spa_close(spa, FTAG); 108106eeb2adSek 1082fa9e4066Sahrens return (error); 1083fa9e4066Sahrens } 1084fa9e4066Sahrens 1085fa9e4066Sahrens static int 1086fa9e4066Sahrens zfs_ioc_pool_freeze(zfs_cmd_t *zc) 1087fa9e4066Sahrens { 1088fa9e4066Sahrens spa_t *spa; 1089fa9e4066Sahrens int error; 1090fa9e4066Sahrens 1091fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 1092fa9e4066Sahrens if (error == 0) { 1093fa9e4066Sahrens spa_freeze(spa); 1094fa9e4066Sahrens spa_close(spa, FTAG); 1095fa9e4066Sahrens } 1096fa9e4066Sahrens return (error); 1097fa9e4066Sahrens } 1098fa9e4066Sahrens 1099eaca9bbdSeschrock static int 1100eaca9bbdSeschrock zfs_ioc_pool_upgrade(zfs_cmd_t *zc) 1101eaca9bbdSeschrock { 1102eaca9bbdSeschrock spa_t *spa; 1103eaca9bbdSeschrock int error; 1104eaca9bbdSeschrock 110506eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 110606eeb2adSek return (error); 110706eeb2adSek 1108558d2d50Slling if (zc->zc_cookie < spa_version(spa) || zc->zc_cookie > SPA_VERSION) { 1109558d2d50Slling spa_close(spa, FTAG); 1110558d2d50Slling return (EINVAL); 1111558d2d50Slling } 1112558d2d50Slling 1113990b4856Slling spa_upgrade(spa, zc->zc_cookie); 111406eeb2adSek spa_close(spa, FTAG); 111506eeb2adSek 111606eeb2adSek return (error); 111706eeb2adSek } 111806eeb2adSek 111906eeb2adSek static int 112006eeb2adSek zfs_ioc_pool_get_history(zfs_cmd_t *zc) 112106eeb2adSek { 112206eeb2adSek spa_t *spa; 112306eeb2adSek char *hist_buf; 112406eeb2adSek uint64_t size; 112506eeb2adSek int error; 112606eeb2adSek 112706eeb2adSek if ((size = zc->zc_history_len) == 0) 112806eeb2adSek return (EINVAL); 112906eeb2adSek 113006eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 113106eeb2adSek return (error); 113206eeb2adSek 1133e7437265Sahrens if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { 1134d7306b64Sek spa_close(spa, FTAG); 1135d7306b64Sek return (ENOTSUP); 1136d7306b64Sek } 1137d7306b64Sek 113806eeb2adSek hist_buf = kmem_alloc(size, KM_SLEEP); 113906eeb2adSek if ((error = spa_history_get(spa, &zc->zc_history_offset, 114006eeb2adSek &zc->zc_history_len, hist_buf)) == 0) { 1141478ed9adSEric Taylor error = ddi_copyout(hist_buf, 1142478ed9adSEric Taylor (void *)(uintptr_t)zc->zc_history, 1143478ed9adSEric Taylor zc->zc_history_len, zc->zc_iflags); 114406eeb2adSek } 114506eeb2adSek 114606eeb2adSek spa_close(spa, FTAG); 114706eeb2adSek kmem_free(hist_buf, size); 114806eeb2adSek return (error); 114906eeb2adSek } 115006eeb2adSek 115155434c77Sek static int 115255434c77Sek zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) 115355434c77Sek { 115455434c77Sek int error; 115555434c77Sek 1156b1b8ab34Slling if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) 115755434c77Sek return (error); 115855434c77Sek 115955434c77Sek return (0); 116055434c77Sek } 116155434c77Sek 1162503ad85cSMatthew Ahrens /* 1163503ad85cSMatthew Ahrens * inputs: 1164503ad85cSMatthew Ahrens * zc_name name of filesystem 1165503ad85cSMatthew Ahrens * zc_obj object to find 1166503ad85cSMatthew Ahrens * 1167503ad85cSMatthew Ahrens * outputs: 1168503ad85cSMatthew Ahrens * zc_value name of object 1169503ad85cSMatthew Ahrens */ 117055434c77Sek static int 117155434c77Sek zfs_ioc_obj_to_path(zfs_cmd_t *zc) 117255434c77Sek { 1173503ad85cSMatthew Ahrens objset_t *os; 117455434c77Sek int error; 117555434c77Sek 1176503ad85cSMatthew Ahrens /* XXX reading from objset not owned */ 1177503ad85cSMatthew Ahrens if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os)) != 0) 117855434c77Sek return (error); 1179503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 1180503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1181503ad85cSMatthew Ahrens return (EINVAL); 1182503ad85cSMatthew Ahrens } 1183503ad85cSMatthew Ahrens error = zfs_obj_to_path(os, zc->zc_obj, zc->zc_value, 118455434c77Sek sizeof (zc->zc_value)); 1185503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 118655434c77Sek 118755434c77Sek return (error); 118855434c77Sek } 118955434c77Sek 1190fa9e4066Sahrens static int 1191fa9e4066Sahrens zfs_ioc_vdev_add(zfs_cmd_t *zc) 1192fa9e4066Sahrens { 1193fa9e4066Sahrens spa_t *spa; 1194fa9e4066Sahrens int error; 1195e7cbe64fSgw nvlist_t *config, **l2cache, **spares; 1196e7cbe64fSgw uint_t nl2cache = 0, nspares = 0; 1197fa9e4066Sahrens 1198fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 1199fa9e4066Sahrens if (error != 0) 1200fa9e4066Sahrens return (error); 1201fa9e4066Sahrens 1202fa94a07fSbrendan error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1203478ed9adSEric Taylor zc->zc_iflags, &config); 1204fa94a07fSbrendan (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_L2CACHE, 1205fa94a07fSbrendan &l2cache, &nl2cache); 1206fa94a07fSbrendan 1207e7cbe64fSgw (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_SPARES, 1208e7cbe64fSgw &spares, &nspares); 1209e7cbe64fSgw 1210b1b8ab34Slling /* 1211b1b8ab34Slling * A root pool with concatenated devices is not supported. 1212e7cbe64fSgw * Thus, can not add a device to a root pool. 1213e7cbe64fSgw * 1214e7cbe64fSgw * Intent log device can not be added to a rootpool because 1215e7cbe64fSgw * during mountroot, zil is replayed, a seperated log device 1216e7cbe64fSgw * can not be accessed during the mountroot time. 1217e7cbe64fSgw * 1218e7cbe64fSgw * l2cache and spare devices are ok to be added to a rootpool. 1219b1b8ab34Slling */ 1220e7cbe64fSgw if (spa->spa_bootfs != 0 && nl2cache == 0 && nspares == 0) { 1221b1b8ab34Slling spa_close(spa, FTAG); 1222b1b8ab34Slling return (EDOM); 1223b1b8ab34Slling } 1224b1b8ab34Slling 1225fa94a07fSbrendan if (error == 0) { 1226fa9e4066Sahrens error = spa_vdev_add(spa, config); 1227fa9e4066Sahrens nvlist_free(config); 1228fa9e4066Sahrens } 1229fa9e4066Sahrens spa_close(spa, FTAG); 1230fa9e4066Sahrens return (error); 1231fa9e4066Sahrens } 1232fa9e4066Sahrens 1233fa9e4066Sahrens static int 1234fa9e4066Sahrens zfs_ioc_vdev_remove(zfs_cmd_t *zc) 1235fa9e4066Sahrens { 123699653d4eSeschrock spa_t *spa; 123799653d4eSeschrock int error; 123899653d4eSeschrock 123999653d4eSeschrock error = spa_open(zc->zc_name, &spa, FTAG); 124099653d4eSeschrock if (error != 0) 124199653d4eSeschrock return (error); 124299653d4eSeschrock error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); 124399653d4eSeschrock spa_close(spa, FTAG); 124499653d4eSeschrock return (error); 1245fa9e4066Sahrens } 1246fa9e4066Sahrens 1247fa9e4066Sahrens static int 12483d7072f8Seschrock zfs_ioc_vdev_set_state(zfs_cmd_t *zc) 1249fa9e4066Sahrens { 1250*681d9761SEric Taylor boolean_t nslock; 1251fa9e4066Sahrens spa_t *spa; 1252fa9e4066Sahrens int error; 12533d7072f8Seschrock vdev_state_t newstate = VDEV_STATE_UNKNOWN; 1254fa9e4066Sahrens 125506eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1256fa9e4066Sahrens return (error); 1257*681d9761SEric Taylor nslock = spa_uses_zvols(spa); 1258*681d9761SEric Taylor if (nslock) 1259*681d9761SEric Taylor mutex_enter(&spa_namespace_lock); 12603d7072f8Seschrock switch (zc->zc_cookie) { 12613d7072f8Seschrock case VDEV_STATE_ONLINE: 12623d7072f8Seschrock error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); 12633d7072f8Seschrock break; 1264fa9e4066Sahrens 12653d7072f8Seschrock case VDEV_STATE_OFFLINE: 12663d7072f8Seschrock error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); 12673d7072f8Seschrock break; 1268fa9e4066Sahrens 12693d7072f8Seschrock case VDEV_STATE_FAULTED: 12703d7072f8Seschrock error = vdev_fault(spa, zc->zc_guid); 12713d7072f8Seschrock break; 12723d7072f8Seschrock 12733d7072f8Seschrock case VDEV_STATE_DEGRADED: 12743d7072f8Seschrock error = vdev_degrade(spa, zc->zc_guid); 12753d7072f8Seschrock break; 12763d7072f8Seschrock 12773d7072f8Seschrock default: 12783d7072f8Seschrock error = EINVAL; 12793d7072f8Seschrock } 1280*681d9761SEric Taylor if (nslock) 1281*681d9761SEric Taylor mutex_exit(&spa_namespace_lock); 12823d7072f8Seschrock zc->zc_cookie = newstate; 1283fa9e4066Sahrens spa_close(spa, FTAG); 1284fa9e4066Sahrens return (error); 1285fa9e4066Sahrens } 1286fa9e4066Sahrens 1287fa9e4066Sahrens static int 1288fa9e4066Sahrens zfs_ioc_vdev_attach(zfs_cmd_t *zc) 1289fa9e4066Sahrens { 1290fa9e4066Sahrens spa_t *spa; 1291fa9e4066Sahrens int replacing = zc->zc_cookie; 1292fa9e4066Sahrens nvlist_t *config; 1293fa9e4066Sahrens int error; 1294fa9e4066Sahrens 129506eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1296fa9e4066Sahrens return (error); 1297fa9e4066Sahrens 1298990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1299478ed9adSEric Taylor zc->zc_iflags, &config)) == 0) { 1300ea8dc4b6Seschrock error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); 1301fa9e4066Sahrens nvlist_free(config); 1302fa9e4066Sahrens } 1303fa9e4066Sahrens 1304fa9e4066Sahrens spa_close(spa, FTAG); 1305fa9e4066Sahrens return (error); 1306fa9e4066Sahrens } 1307fa9e4066Sahrens 1308fa9e4066Sahrens static int 1309fa9e4066Sahrens zfs_ioc_vdev_detach(zfs_cmd_t *zc) 1310fa9e4066Sahrens { 1311fa9e4066Sahrens spa_t *spa; 1312fa9e4066Sahrens int error; 1313fa9e4066Sahrens 131406eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1315fa9e4066Sahrens return (error); 1316fa9e4066Sahrens 13178ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, zc->zc_guid, 0, B_FALSE); 1318fa9e4066Sahrens 1319fa9e4066Sahrens spa_close(spa, FTAG); 1320fa9e4066Sahrens return (error); 1321fa9e4066Sahrens } 1322fa9e4066Sahrens 1323c67d9675Seschrock static int 1324c67d9675Seschrock zfs_ioc_vdev_setpath(zfs_cmd_t *zc) 1325c67d9675Seschrock { 1326c67d9675Seschrock spa_t *spa; 1327e9dbad6fSeschrock char *path = zc->zc_value; 1328ea8dc4b6Seschrock uint64_t guid = zc->zc_guid; 1329c67d9675Seschrock int error; 1330c67d9675Seschrock 1331c67d9675Seschrock error = spa_open(zc->zc_name, &spa, FTAG); 1332c67d9675Seschrock if (error != 0) 1333c67d9675Seschrock return (error); 1334c67d9675Seschrock 1335c67d9675Seschrock error = spa_vdev_setpath(spa, guid, path); 1336c67d9675Seschrock spa_close(spa, FTAG); 1337c67d9675Seschrock return (error); 1338c67d9675Seschrock } 1339c67d9675Seschrock 13406809eb4eSEric Schrock static int 13416809eb4eSEric Schrock zfs_ioc_vdev_setfru(zfs_cmd_t *zc) 13426809eb4eSEric Schrock { 13436809eb4eSEric Schrock spa_t *spa; 13446809eb4eSEric Schrock char *fru = zc->zc_value; 13456809eb4eSEric Schrock uint64_t guid = zc->zc_guid; 13466809eb4eSEric Schrock int error; 13476809eb4eSEric Schrock 13486809eb4eSEric Schrock error = spa_open(zc->zc_name, &spa, FTAG); 13496809eb4eSEric Schrock if (error != 0) 13506809eb4eSEric Schrock return (error); 13516809eb4eSEric Schrock 13526809eb4eSEric Schrock error = spa_vdev_setfru(spa, guid, fru); 13536809eb4eSEric Schrock spa_close(spa, FTAG); 13546809eb4eSEric Schrock return (error); 13556809eb4eSEric Schrock } 13566809eb4eSEric Schrock 13573cb34c60Sahrens /* 13583cb34c60Sahrens * inputs: 13593cb34c60Sahrens * zc_name name of filesystem 13603cb34c60Sahrens * zc_nvlist_dst_size size of buffer for property nvlist 13613cb34c60Sahrens * 13623cb34c60Sahrens * outputs: 13633cb34c60Sahrens * zc_objset_stats stats 13643cb34c60Sahrens * zc_nvlist_dst property nvlist 13653cb34c60Sahrens * zc_nvlist_dst_size size of property nvlist 13663cb34c60Sahrens */ 1367fa9e4066Sahrens static int 1368fa9e4066Sahrens zfs_ioc_objset_stats(zfs_cmd_t *zc) 1369fa9e4066Sahrens { 1370fa9e4066Sahrens objset_t *os = NULL; 1371fa9e4066Sahrens int error; 13727f7322feSeschrock nvlist_t *nv; 1373fa9e4066Sahrens 1374503ad85cSMatthew Ahrens if (error = dmu_objset_hold(zc->zc_name, FTAG, &os)) 1375fa9e4066Sahrens return (error); 1376fa9e4066Sahrens 1377a2eea2e1Sahrens dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1378fa9e4066Sahrens 13795ad82045Snd if (zc->zc_nvlist_dst != 0 && 1380745cd3c5Smaybee (error = dsl_prop_get_all(os, &nv, FALSE)) == 0) { 1381a2eea2e1Sahrens dmu_objset_stats(os, nv); 1382432f72fdSahrens /* 1383bd00f61bSrm * NB: zvol_get_stats() will read the objset contents, 1384432f72fdSahrens * which we aren't supposed to do with a 1385745cd3c5Smaybee * DS_MODE_USER hold, because it could be 1386432f72fdSahrens * inconsistent. So this is a bit of a workaround... 1387503ad85cSMatthew Ahrens * XXX reading with out owning 1388432f72fdSahrens */ 1389e7437265Sahrens if (!zc->zc_objset_stats.dds_inconsistent) { 1390e7437265Sahrens if (dmu_objset_type(os) == DMU_OST_ZVOL) 1391e7437265Sahrens VERIFY(zvol_get_stats(os, nv) == 0); 1392e7437265Sahrens } 1393e9dbad6fSeschrock error = put_nvlist(zc, nv); 13947f7322feSeschrock nvlist_free(nv); 13957f7322feSeschrock } 1396fa9e4066Sahrens 1397503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1398fa9e4066Sahrens return (error); 1399fa9e4066Sahrens } 1400fa9e4066Sahrens 1401de8267e0Stimh static int 1402de8267e0Stimh nvl_add_zplprop(objset_t *os, nvlist_t *props, zfs_prop_t prop) 1403de8267e0Stimh { 1404de8267e0Stimh uint64_t value; 1405de8267e0Stimh int error; 1406de8267e0Stimh 1407de8267e0Stimh /* 1408de8267e0Stimh * zfs_get_zplprop() will either find a value or give us 1409de8267e0Stimh * the default value (if there is one). 1410de8267e0Stimh */ 1411de8267e0Stimh if ((error = zfs_get_zplprop(os, prop, &value)) != 0) 1412de8267e0Stimh return (error); 1413de8267e0Stimh VERIFY(nvlist_add_uint64(props, zfs_prop_to_name(prop), value) == 0); 1414de8267e0Stimh return (0); 1415de8267e0Stimh } 1416de8267e0Stimh 14173cb34c60Sahrens /* 14183cb34c60Sahrens * inputs: 14193cb34c60Sahrens * zc_name name of filesystem 1420de8267e0Stimh * zc_nvlist_dst_size size of buffer for zpl property nvlist 14213cb34c60Sahrens * 14223cb34c60Sahrens * outputs: 1423de8267e0Stimh * zc_nvlist_dst zpl property nvlist 1424de8267e0Stimh * zc_nvlist_dst_size size of zpl property nvlist 14253cb34c60Sahrens */ 1426bd00f61bSrm static int 1427de8267e0Stimh zfs_ioc_objset_zplprops(zfs_cmd_t *zc) 1428bd00f61bSrm { 1429de8267e0Stimh objset_t *os; 1430de8267e0Stimh int err; 1431bd00f61bSrm 1432503ad85cSMatthew Ahrens /* XXX reading without owning */ 1433503ad85cSMatthew Ahrens if (err = dmu_objset_hold(zc->zc_name, FTAG, &os)) 1434de8267e0Stimh return (err); 1435bd00f61bSrm 1436bd00f61bSrm dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1437bd00f61bSrm 1438bd00f61bSrm /* 1439de8267e0Stimh * NB: nvl_add_zplprop() will read the objset contents, 1440745cd3c5Smaybee * which we aren't supposed to do with a DS_MODE_USER 1441745cd3c5Smaybee * hold, because it could be inconsistent. 1442bd00f61bSrm */ 1443de8267e0Stimh if (zc->zc_nvlist_dst != NULL && 1444de8267e0Stimh !zc->zc_objset_stats.dds_inconsistent && 1445de8267e0Stimh dmu_objset_type(os) == DMU_OST_ZFS) { 1446de8267e0Stimh nvlist_t *nv; 1447de8267e0Stimh 1448de8267e0Stimh VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1449de8267e0Stimh if ((err = nvl_add_zplprop(os, nv, ZFS_PROP_VERSION)) == 0 && 1450de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_NORMALIZE)) == 0 && 1451de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_UTF8ONLY)) == 0 && 1452de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_CASE)) == 0) 1453de8267e0Stimh err = put_nvlist(zc, nv); 1454de8267e0Stimh nvlist_free(nv); 1455de8267e0Stimh } else { 1456de8267e0Stimh err = ENOENT; 1457de8267e0Stimh } 1458503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1459de8267e0Stimh return (err); 1460bd00f61bSrm } 1461bd00f61bSrm 146214843421SMatthew Ahrens static boolean_t 146314843421SMatthew Ahrens dataset_name_hidden(const char *name) 146414843421SMatthew Ahrens { 146514843421SMatthew Ahrens /* 146614843421SMatthew Ahrens * Skip over datasets that are not visible in this zone, 146714843421SMatthew Ahrens * internal datasets (which have a $ in their name), and 146814843421SMatthew Ahrens * temporary datasets (which have a % in their name). 146914843421SMatthew Ahrens */ 147014843421SMatthew Ahrens if (strchr(name, '$') != NULL) 147114843421SMatthew Ahrens return (B_TRUE); 147214843421SMatthew Ahrens if (strchr(name, '%') != NULL) 147314843421SMatthew Ahrens return (B_TRUE); 147414843421SMatthew Ahrens if (!INGLOBALZONE(curproc) && !zone_dataset_visible(name, NULL)) 147514843421SMatthew Ahrens return (B_TRUE); 147614843421SMatthew Ahrens return (B_FALSE); 147714843421SMatthew Ahrens } 147814843421SMatthew Ahrens 1479de8267e0Stimh /* 1480de8267e0Stimh * inputs: 1481de8267e0Stimh * zc_name name of filesystem 1482de8267e0Stimh * zc_cookie zap cursor 1483de8267e0Stimh * zc_nvlist_dst_size size of buffer for property nvlist 1484de8267e0Stimh * 1485de8267e0Stimh * outputs: 1486de8267e0Stimh * zc_name name of next filesystem 148714843421SMatthew Ahrens * zc_cookie zap cursor 1488de8267e0Stimh * zc_objset_stats stats 1489de8267e0Stimh * zc_nvlist_dst property nvlist 1490de8267e0Stimh * zc_nvlist_dst_size size of property nvlist 1491de8267e0Stimh */ 1492fa9e4066Sahrens static int 1493fa9e4066Sahrens zfs_ioc_dataset_list_next(zfs_cmd_t *zc) 1494fa9e4066Sahrens { 149587e5029aSahrens objset_t *os; 1496fa9e4066Sahrens int error; 1497fa9e4066Sahrens char *p; 1498fa9e4066Sahrens 1499503ad85cSMatthew Ahrens if (error = dmu_objset_hold(zc->zc_name, FTAG, &os)) { 150087e5029aSahrens if (error == ENOENT) 150187e5029aSahrens error = ESRCH; 150287e5029aSahrens return (error); 1503fa9e4066Sahrens } 1504fa9e4066Sahrens 1505fa9e4066Sahrens p = strrchr(zc->zc_name, '/'); 1506fa9e4066Sahrens if (p == NULL || p[1] != '\0') 1507fa9e4066Sahrens (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); 1508fa9e4066Sahrens p = zc->zc_name + strlen(zc->zc_name); 1509fa9e4066Sahrens 15105c0b6a79SRich Morris /* 15115c0b6a79SRich Morris * Pre-fetch the datasets. dmu_objset_prefetch() always returns 0 15125c0b6a79SRich Morris * but is not declared void because its called by dmu_objset_find(). 15135c0b6a79SRich Morris */ 15147f73c863SRich Morris if (zc->zc_cookie == 0) { 15157f73c863SRich Morris uint64_t cookie = 0; 15167f73c863SRich Morris int len = sizeof (zc->zc_name) - (p - zc->zc_name); 15177f73c863SRich Morris 15187f73c863SRich Morris while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0) 15195c0b6a79SRich Morris (void) dmu_objset_prefetch(p, NULL); 15207f73c863SRich Morris } 15217f73c863SRich Morris 1522fa9e4066Sahrens do { 152387e5029aSahrens error = dmu_dir_list_next(os, 152487e5029aSahrens sizeof (zc->zc_name) - (p - zc->zc_name), p, 152587e5029aSahrens NULL, &zc->zc_cookie); 1526fa9e4066Sahrens if (error == ENOENT) 1527fa9e4066Sahrens error = ESRCH; 1528*681d9761SEric Taylor } while (error == 0 && dataset_name_hidden(zc->zc_name) && 1529*681d9761SEric Taylor !(zc->zc_iflags & FKIOCTL)); 1530503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1531fa9e4066Sahrens 1532*681d9761SEric Taylor /* 1533*681d9761SEric Taylor * If it's an internal dataset (ie. with a '$' in its name), 1534*681d9761SEric Taylor * don't try to get stats for it, otherwise we'll return ENOENT. 1535*681d9761SEric Taylor */ 1536*681d9761SEric Taylor if (error == 0 && strchr(zc->zc_name, '$') == NULL) 153787e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1538fa9e4066Sahrens return (error); 1539fa9e4066Sahrens } 1540fa9e4066Sahrens 15413cb34c60Sahrens /* 15423cb34c60Sahrens * inputs: 15433cb34c60Sahrens * zc_name name of filesystem 15443cb34c60Sahrens * zc_cookie zap cursor 15453cb34c60Sahrens * zc_nvlist_dst_size size of buffer for property nvlist 15463cb34c60Sahrens * 15473cb34c60Sahrens * outputs: 15483cb34c60Sahrens * zc_name name of next snapshot 15493cb34c60Sahrens * zc_objset_stats stats 15503cb34c60Sahrens * zc_nvlist_dst property nvlist 15513cb34c60Sahrens * zc_nvlist_dst_size size of property nvlist 15523cb34c60Sahrens */ 1553fa9e4066Sahrens static int 1554fa9e4066Sahrens zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) 1555fa9e4066Sahrens { 155687e5029aSahrens objset_t *os; 1557fa9e4066Sahrens int error; 1558fa9e4066Sahrens 15597cbf8b43SRich Morris if (zc->zc_cookie == 0) 15607cbf8b43SRich Morris (void) dmu_objset_find(zc->zc_name, dmu_objset_prefetch, 15617cbf8b43SRich Morris NULL, DS_FIND_SNAPSHOTS); 15627cbf8b43SRich Morris 1563503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &os); 1564745cd3c5Smaybee if (error) 1565745cd3c5Smaybee return (error == ENOENT ? ESRCH : error); 1566fa9e4066Sahrens 1567b81d61a6Slling /* 1568b81d61a6Slling * A dataset name of maximum length cannot have any snapshots, 1569b81d61a6Slling * so exit immediately. 1570b81d61a6Slling */ 1571b81d61a6Slling if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { 1572503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1573b81d61a6Slling return (ESRCH); 1574fa9e4066Sahrens } 1575fa9e4066Sahrens 157687e5029aSahrens error = dmu_snapshot_list_next(os, 157787e5029aSahrens sizeof (zc->zc_name) - strlen(zc->zc_name), 1578b38f0970Sck zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie, NULL); 1579503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 158087e5029aSahrens if (error == 0) 158187e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1582745cd3c5Smaybee else if (error == ENOENT) 1583745cd3c5Smaybee error = ESRCH; 1584fa9e4066Sahrens 15853cb34c60Sahrens /* if we failed, undo the @ that we tacked on to zc_name */ 1586745cd3c5Smaybee if (error) 15873cb34c60Sahrens *strchr(zc->zc_name, '@') = '\0'; 1588fa9e4066Sahrens return (error); 1589fa9e4066Sahrens } 1590fa9e4066Sahrens 1591e7cbe64fSgw int 159291ebeef5Sahrens zfs_set_prop_nvlist(const char *name, nvlist_t *nvl) 1593fa9e4066Sahrens { 1594e9dbad6fSeschrock nvpair_t *elem; 15955f389de5SRich Morris int error = 0; 1596e9dbad6fSeschrock uint64_t intval; 1597e9dbad6fSeschrock char *strval; 15985c0b6a79SRich Morris nvlist_t *genericnvl; 159914843421SMatthew Ahrens boolean_t issnap = (strchr(name, '@') != NULL); 1600e9dbad6fSeschrock 1601ecd6cf80Smarks /* 1602ecd6cf80Smarks * First validate permission to set all of the properties 1603ecd6cf80Smarks */ 1604e9dbad6fSeschrock elem = NULL; 1605e9dbad6fSeschrock while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1606db870a07Sahrens const char *propname = nvpair_name(elem); 1607db870a07Sahrens zfs_prop_t prop = zfs_name_to_prop(propname); 1608e9dbad6fSeschrock 1609990b4856Slling if (prop == ZPROP_INVAL) { 1610e9dbad6fSeschrock /* 1611e9dbad6fSeschrock * If this is a user-defined property, it must be a 1612e9dbad6fSeschrock * string, and there is no further validation to do. 1613e9dbad6fSeschrock */ 161414843421SMatthew Ahrens if (zfs_prop_user(propname) && 161514843421SMatthew Ahrens nvpair_type(elem) == DATA_TYPE_STRING) { 161614843421SMatthew Ahrens if (error = zfs_secpolicy_write_perms(name, 161714843421SMatthew Ahrens ZFS_DELEG_PERM_USERPROP, CRED())) 161814843421SMatthew Ahrens return (error); 161914843421SMatthew Ahrens continue; 162014843421SMatthew Ahrens } 1621e9dbad6fSeschrock 162214843421SMatthew Ahrens if (!issnap && zfs_prop_userquota(propname) && 162314843421SMatthew Ahrens nvpair_type(elem) == DATA_TYPE_UINT64_ARRAY) { 162414843421SMatthew Ahrens const char *perm; 162514843421SMatthew Ahrens const char *up = zfs_userquota_prop_prefixes 162614843421SMatthew Ahrens [ZFS_PROP_USERQUOTA]; 162714843421SMatthew Ahrens if (strncmp(propname, up, strlen(up)) == 0) 162814843421SMatthew Ahrens perm = ZFS_DELEG_PERM_USERQUOTA; 162914843421SMatthew Ahrens else 163014843421SMatthew Ahrens perm = ZFS_DELEG_PERM_GROUPQUOTA; 163114843421SMatthew Ahrens if (error = zfs_secpolicy_write_perms(name, 163214843421SMatthew Ahrens perm, CRED())) 163314843421SMatthew Ahrens return (error); 163414843421SMatthew Ahrens continue; 163514843421SMatthew Ahrens } 163614843421SMatthew Ahrens 163714843421SMatthew Ahrens return (EINVAL); 1638e9dbad6fSeschrock } 1639fa9e4066Sahrens 164014843421SMatthew Ahrens if (issnap) 164114843421SMatthew Ahrens return (EINVAL); 164214843421SMatthew Ahrens 164391ebeef5Sahrens if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) 1644db870a07Sahrens return (error); 1645db870a07Sahrens 1646e9dbad6fSeschrock /* 1647db870a07Sahrens * Check that this value is valid for this pool version 1648e9dbad6fSeschrock */ 1649e9dbad6fSeschrock switch (prop) { 1650c9431fa1Sahl case ZFS_PROP_COMPRESSION: 1651c9431fa1Sahl /* 1652c9431fa1Sahl * If the user specified gzip compression, make sure 1653c9431fa1Sahl * the SPA supports it. We ignore any errors here since 1654c9431fa1Sahl * we'll catch them later. 1655c9431fa1Sahl */ 1656c9431fa1Sahl if (nvpair_type(elem) == DATA_TYPE_UINT64 && 165715e6edf1Sgw nvpair_value_uint64(elem, &intval) == 0) { 165815e6edf1Sgw if (intval >= ZIO_COMPRESS_GZIP_1 && 165915e6edf1Sgw intval <= ZIO_COMPRESS_GZIP_9 && 16600a48a24eStimh zfs_earlier_version(name, 1661da6c28aaSamw SPA_VERSION_GZIP_COMPRESSION)) 1662da6c28aaSamw return (ENOTSUP); 166315e6edf1Sgw 166415e6edf1Sgw /* 166515e6edf1Sgw * If this is a bootable dataset then 166615e6edf1Sgw * verify that the compression algorithm 166715e6edf1Sgw * is supported for booting. We must return 166815e6edf1Sgw * something other than ENOTSUP since it 166915e6edf1Sgw * implies a downrev pool version. 167015e6edf1Sgw */ 167115e6edf1Sgw if (zfs_is_bootfs(name) && 167215e6edf1Sgw !BOOTFS_COMPRESS_VALID(intval)) 167315e6edf1Sgw return (ERANGE); 1674c9431fa1Sahl } 1675c9431fa1Sahl break; 167640feaa91Sahrens 167740feaa91Sahrens case ZFS_PROP_COPIES: 167814843421SMatthew Ahrens if (zfs_earlier_version(name, SPA_VERSION_DITTO_BLOCKS)) 1679da6c28aaSamw return (ENOTSUP); 168040feaa91Sahrens break; 16819e6eda55Smarks 16829e6eda55Smarks case ZFS_PROP_SHARESMB: 1683745cd3c5Smaybee if (zpl_earlier_version(name, ZPL_VERSION_FUID)) 16849e6eda55Smarks return (ENOTSUP); 16859e6eda55Smarks break; 1686d0f3f37eSMark Shellenbaum 1687d0f3f37eSMark Shellenbaum case ZFS_PROP_ACLINHERIT: 1688d0f3f37eSMark Shellenbaum if (nvpair_type(elem) == DATA_TYPE_UINT64 && 1689d0f3f37eSMark Shellenbaum nvpair_value_uint64(elem, &intval) == 0) 1690d0f3f37eSMark Shellenbaum if (intval == ZFS_ACL_PASSTHROUGH_X && 1691d0f3f37eSMark Shellenbaum zfs_earlier_version(name, 1692d0f3f37eSMark Shellenbaum SPA_VERSION_PASSTHROUGH_X)) 1693d0f3f37eSMark Shellenbaum return (ENOTSUP); 169440feaa91Sahrens } 1695ecd6cf80Smarks } 1696ecd6cf80Smarks 16975c0b6a79SRich Morris VERIFY(nvlist_alloc(&genericnvl, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1698ecd6cf80Smarks elem = NULL; 1699ecd6cf80Smarks while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1700db870a07Sahrens const char *propname = nvpair_name(elem); 1701db870a07Sahrens zfs_prop_t prop = zfs_name_to_prop(propname); 1702ecd6cf80Smarks 1703990b4856Slling if (prop == ZPROP_INVAL) { 170414843421SMatthew Ahrens if (zfs_prop_userquota(propname)) { 170514843421SMatthew Ahrens uint64_t *valary; 170614843421SMatthew Ahrens unsigned int vallen; 170714843421SMatthew Ahrens const char *domain; 170814843421SMatthew Ahrens zfs_userquota_prop_t type; 170914843421SMatthew Ahrens uint64_t rid; 171014843421SMatthew Ahrens uint64_t quota; 171114843421SMatthew Ahrens zfsvfs_t *zfsvfs; 171214843421SMatthew Ahrens 171314843421SMatthew Ahrens VERIFY(nvpair_value_uint64_array(elem, 171414843421SMatthew Ahrens &valary, &vallen) == 0); 171514843421SMatthew Ahrens VERIFY(vallen == 3); 171614843421SMatthew Ahrens type = valary[0]; 171714843421SMatthew Ahrens rid = valary[1]; 171814843421SMatthew Ahrens quota = valary[2]; 171914843421SMatthew Ahrens domain = propname + 172014843421SMatthew Ahrens strlen(zfs_userquota_prop_prefixes[type]); 172114843421SMatthew Ahrens 1722503ad85cSMatthew Ahrens error = zfsvfs_hold(name, FTAG, &zfsvfs); 172314843421SMatthew Ahrens if (error == 0) { 172414843421SMatthew Ahrens error = zfs_set_userquota(zfsvfs, 172514843421SMatthew Ahrens type, domain, rid, quota); 172614843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 172714843421SMatthew Ahrens } 172814843421SMatthew Ahrens if (error == 0) 172914843421SMatthew Ahrens continue; 173014843421SMatthew Ahrens else 173114843421SMatthew Ahrens goto out; 173214843421SMatthew Ahrens } else if (zfs_prop_user(propname)) { 173314843421SMatthew Ahrens VERIFY(nvpair_value_string(elem, &strval) == 0); 173414843421SMatthew Ahrens error = dsl_prop_set(name, propname, 1, 173514843421SMatthew Ahrens strlen(strval) + 1, strval); 173614843421SMatthew Ahrens if (error == 0) 173714843421SMatthew Ahrens continue; 173814843421SMatthew Ahrens else 173914843421SMatthew Ahrens goto out; 174014843421SMatthew Ahrens } 1741ecd6cf80Smarks } 1742e9dbad6fSeschrock 1743e9dbad6fSeschrock switch (prop) { 1744e9dbad6fSeschrock case ZFS_PROP_QUOTA: 1745e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1746e7437265Sahrens (error = dsl_dir_set_quota(name, intval)) != 0) 17475c0b6a79SRich Morris goto out; 1748e9dbad6fSeschrock break; 1749e9dbad6fSeschrock 1750a9799022Sck case ZFS_PROP_REFQUOTA: 1751a9799022Sck if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1752a9799022Sck (error = dsl_dataset_set_quota(name, intval)) != 0) 17535c0b6a79SRich Morris goto out; 1754a9799022Sck break; 1755a9799022Sck 1756e9dbad6fSeschrock case ZFS_PROP_RESERVATION: 1757e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1758e9dbad6fSeschrock (error = dsl_dir_set_reservation(name, 1759e9dbad6fSeschrock intval)) != 0) 17605c0b6a79SRich Morris goto out; 1761e9dbad6fSeschrock break; 1762e9dbad6fSeschrock 1763a9799022Sck case ZFS_PROP_REFRESERVATION: 1764a9799022Sck if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1765a9799022Sck (error = dsl_dataset_set_reservation(name, 1766a9799022Sck intval)) != 0) 17675c0b6a79SRich Morris goto out; 1768a9799022Sck break; 1769a9799022Sck 1770e9dbad6fSeschrock case ZFS_PROP_VOLSIZE: 1771e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 177291ebeef5Sahrens (error = zvol_set_volsize(name, 177391ebeef5Sahrens ddi_driver_major(zfs_dip), intval)) != 0) 17745c0b6a79SRich Morris goto out; 1775e9dbad6fSeschrock break; 1776e9dbad6fSeschrock 1777e7437265Sahrens case ZFS_PROP_VERSION: 177814843421SMatthew Ahrens { 177914843421SMatthew Ahrens zfsvfs_t *zfsvfs; 178014843421SMatthew Ahrens 178114843421SMatthew Ahrens if ((error = nvpair_value_uint64(elem, &intval)) != 0) 178214843421SMatthew Ahrens goto out; 1783503ad85cSMatthew Ahrens if ((error = zfsvfs_hold(name, FTAG, &zfsvfs)) != 0) 178414843421SMatthew Ahrens goto out; 178514843421SMatthew Ahrens error = zfs_set_version(zfsvfs, intval); 178614843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 178714843421SMatthew Ahrens 178814843421SMatthew Ahrens if (error == 0 && intval >= ZPL_VERSION_USERSPACE) { 178914843421SMatthew Ahrens zfs_cmd_t zc = { 0 }; 179014843421SMatthew Ahrens (void) strcpy(zc.zc_name, name); 179114843421SMatthew Ahrens (void) zfs_ioc_userspace_upgrade(&zc); 179214843421SMatthew Ahrens } 179314843421SMatthew Ahrens if (error) 17945c0b6a79SRich Morris goto out; 1795e9dbad6fSeschrock break; 179614843421SMatthew Ahrens } 1797e9dbad6fSeschrock 1798e9dbad6fSeschrock default: 1799e9dbad6fSeschrock if (nvpair_type(elem) == DATA_TYPE_STRING) { 1800e9dbad6fSeschrock if (zfs_prop_get_type(prop) != 18015c0b6a79SRich Morris PROP_TYPE_STRING) { 18025c0b6a79SRich Morris error = EINVAL; 18035c0b6a79SRich Morris goto out; 18045c0b6a79SRich Morris } 1805e9dbad6fSeschrock } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { 1806a2eea2e1Sahrens const char *unused; 1807a2eea2e1Sahrens 1808acd76fe5Seschrock VERIFY(nvpair_value_uint64(elem, &intval) == 0); 1809e9dbad6fSeschrock 1810e9dbad6fSeschrock switch (zfs_prop_get_type(prop)) { 181191ebeef5Sahrens case PROP_TYPE_NUMBER: 1812e9dbad6fSeschrock break; 181391ebeef5Sahrens case PROP_TYPE_STRING: 18145c0b6a79SRich Morris error = EINVAL; 18155c0b6a79SRich Morris goto out; 181691ebeef5Sahrens case PROP_TYPE_INDEX: 1817acd76fe5Seschrock if (zfs_prop_index_to_string(prop, 18185c0b6a79SRich Morris intval, &unused) != 0) { 18195c0b6a79SRich Morris error = EINVAL; 18205c0b6a79SRich Morris goto out; 18215c0b6a79SRich Morris } 1822e9dbad6fSeschrock break; 1823e9dbad6fSeschrock default: 1824e7437265Sahrens cmn_err(CE_PANIC, 1825e7437265Sahrens "unknown property type"); 1826e9dbad6fSeschrock break; 1827e9dbad6fSeschrock } 1828e9dbad6fSeschrock } else { 18295c0b6a79SRich Morris error = EINVAL; 18305c0b6a79SRich Morris goto out; 1831e9dbad6fSeschrock } 18325c0b6a79SRich Morris if ((error = nvlist_add_nvpair(genericnvl, elem)) != 0) 18335c0b6a79SRich Morris goto out; 1834e9dbad6fSeschrock } 1835e9dbad6fSeschrock } 1836e9dbad6fSeschrock 18375c0b6a79SRich Morris if (nvlist_next_nvpair(genericnvl, NULL) != NULL) { 18385c0b6a79SRich Morris error = dsl_props_set(name, genericnvl); 18395c0b6a79SRich Morris } 18405c0b6a79SRich Morris out: 18415c0b6a79SRich Morris nvlist_free(genericnvl); 18425c0b6a79SRich Morris return (error); 1843fa9e4066Sahrens } 1844fa9e4066Sahrens 1845ea2f5b9eSMatthew Ahrens /* 1846ea2f5b9eSMatthew Ahrens * Check that all the properties are valid user properties. 1847ea2f5b9eSMatthew Ahrens */ 1848ea2f5b9eSMatthew Ahrens static int 1849ea2f5b9eSMatthew Ahrens zfs_check_userprops(char *fsname, nvlist_t *nvl) 1850ea2f5b9eSMatthew Ahrens { 1851ea2f5b9eSMatthew Ahrens nvpair_t *elem = NULL; 1852ea2f5b9eSMatthew Ahrens int error = 0; 1853ea2f5b9eSMatthew Ahrens 1854ea2f5b9eSMatthew Ahrens while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1855ea2f5b9eSMatthew Ahrens const char *propname = nvpair_name(elem); 1856ea2f5b9eSMatthew Ahrens char *valstr; 1857ea2f5b9eSMatthew Ahrens 1858ea2f5b9eSMatthew Ahrens if (!zfs_prop_user(propname) || 1859ea2f5b9eSMatthew Ahrens nvpair_type(elem) != DATA_TYPE_STRING) 1860ea2f5b9eSMatthew Ahrens return (EINVAL); 1861ea2f5b9eSMatthew Ahrens 1862ea2f5b9eSMatthew Ahrens if (error = zfs_secpolicy_write_perms(fsname, 1863ea2f5b9eSMatthew Ahrens ZFS_DELEG_PERM_USERPROP, CRED())) 1864ea2f5b9eSMatthew Ahrens return (error); 1865ea2f5b9eSMatthew Ahrens 1866ea2f5b9eSMatthew Ahrens if (strlen(propname) >= ZAP_MAXNAMELEN) 1867ea2f5b9eSMatthew Ahrens return (ENAMETOOLONG); 1868ea2f5b9eSMatthew Ahrens 1869ea2f5b9eSMatthew Ahrens VERIFY(nvpair_value_string(elem, &valstr) == 0); 1870ea2f5b9eSMatthew Ahrens if (strlen(valstr) >= ZAP_MAXVALUELEN) 1871ea2f5b9eSMatthew Ahrens return (E2BIG); 1872ea2f5b9eSMatthew Ahrens } 1873ea2f5b9eSMatthew Ahrens return (0); 1874ea2f5b9eSMatthew Ahrens } 1875ea2f5b9eSMatthew Ahrens 18763cb34c60Sahrens /* 18773cb34c60Sahrens * inputs: 18783cb34c60Sahrens * zc_name name of filesystem 18795c0b6a79SRich Morris * zc_value name of property to set 18803cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 1881bb0ade09Sahrens * zc_cookie clear existing local props? 18823cb34c60Sahrens * 18833cb34c60Sahrens * outputs: none 18843cb34c60Sahrens */ 1885fa9e4066Sahrens static int 1886e9dbad6fSeschrock zfs_ioc_set_prop(zfs_cmd_t *zc) 1887fa9e4066Sahrens { 1888e9dbad6fSeschrock nvlist_t *nvl; 1889e9dbad6fSeschrock int error; 1890e9dbad6fSeschrock 1891990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1892478ed9adSEric Taylor zc->zc_iflags, &nvl)) != 0) 1893e9dbad6fSeschrock return (error); 1894e9dbad6fSeschrock 1895bb0ade09Sahrens if (zc->zc_cookie) { 1896bb0ade09Sahrens nvlist_t *origprops; 1897bb0ade09Sahrens objset_t *os; 1898bb0ade09Sahrens 1899503ad85cSMatthew Ahrens if (dmu_objset_hold(zc->zc_name, FTAG, &os) == 0) { 1900bb0ade09Sahrens if (dsl_prop_get_all(os, &origprops, TRUE) == 0) { 19016e77af0aSDavid Pacheco clear_props(zc->zc_name, origprops, nvl); 1902bb0ade09Sahrens nvlist_free(origprops); 1903bb0ade09Sahrens } 1904503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1905bb0ade09Sahrens } 1906bb0ade09Sahrens 1907bb0ade09Sahrens } 1908bb0ade09Sahrens 190991ebeef5Sahrens error = zfs_set_prop_nvlist(zc->zc_name, nvl); 1910ecd6cf80Smarks 1911e9dbad6fSeschrock nvlist_free(nvl); 1912e9dbad6fSeschrock return (error); 1913fa9e4066Sahrens } 1914fa9e4066Sahrens 19153cb34c60Sahrens /* 19163cb34c60Sahrens * inputs: 19173cb34c60Sahrens * zc_name name of filesystem 19183cb34c60Sahrens * zc_value name of property to inherit 19193cb34c60Sahrens * 19203cb34c60Sahrens * outputs: none 19213cb34c60Sahrens */ 1922e45ce728Sahrens static int 1923e45ce728Sahrens zfs_ioc_inherit_prop(zfs_cmd_t *zc) 1924e45ce728Sahrens { 1925e45ce728Sahrens /* the property name has been validated by zfs_secpolicy_inherit() */ 1926e45ce728Sahrens return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); 1927e45ce728Sahrens } 1928e45ce728Sahrens 1929b1b8ab34Slling static int 193011a41203Slling zfs_ioc_pool_set_props(zfs_cmd_t *zc) 1931b1b8ab34Slling { 1932990b4856Slling nvlist_t *props; 1933b1b8ab34Slling spa_t *spa; 1934990b4856Slling int error; 1935379c004dSEric Schrock nvpair_t *elem; 1936b1b8ab34Slling 1937990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1938478ed9adSEric Taylor zc->zc_iflags, &props))) 1939b1b8ab34Slling return (error); 1940b1b8ab34Slling 1941379c004dSEric Schrock /* 1942379c004dSEric Schrock * If the only property is the configfile, then just do a spa_lookup() 1943379c004dSEric Schrock * to handle the faulted case. 1944379c004dSEric Schrock */ 1945379c004dSEric Schrock elem = nvlist_next_nvpair(props, NULL); 1946379c004dSEric Schrock if (elem != NULL && strcmp(nvpair_name(elem), 1947379c004dSEric Schrock zpool_prop_to_name(ZPOOL_PROP_CACHEFILE)) == 0 && 1948379c004dSEric Schrock nvlist_next_nvpair(props, elem) == NULL) { 1949379c004dSEric Schrock mutex_enter(&spa_namespace_lock); 1950379c004dSEric Schrock if ((spa = spa_lookup(zc->zc_name)) != NULL) { 1951379c004dSEric Schrock spa_configfile_set(spa, props, B_FALSE); 1952379c004dSEric Schrock spa_config_sync(spa, B_FALSE, B_TRUE); 1953379c004dSEric Schrock } 1954379c004dSEric Schrock mutex_exit(&spa_namespace_lock); 1955379c004dSEric Schrock if (spa != NULL) 1956379c004dSEric Schrock return (0); 1957379c004dSEric Schrock } 1958379c004dSEric Schrock 1959b1b8ab34Slling if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { 1960990b4856Slling nvlist_free(props); 1961b1b8ab34Slling return (error); 1962b1b8ab34Slling } 1963b1b8ab34Slling 1964990b4856Slling error = spa_prop_set(spa, props); 1965b1b8ab34Slling 1966990b4856Slling nvlist_free(props); 1967b1b8ab34Slling spa_close(spa, FTAG); 1968b1b8ab34Slling 1969b1b8ab34Slling return (error); 1970b1b8ab34Slling } 1971b1b8ab34Slling 1972b1b8ab34Slling static int 197311a41203Slling zfs_ioc_pool_get_props(zfs_cmd_t *zc) 1974b1b8ab34Slling { 1975b1b8ab34Slling spa_t *spa; 1976b1b8ab34Slling int error; 1977b1b8ab34Slling nvlist_t *nvp = NULL; 1978b1b8ab34Slling 1979379c004dSEric Schrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { 1980379c004dSEric Schrock /* 1981379c004dSEric Schrock * If the pool is faulted, there may be properties we can still 1982379c004dSEric Schrock * get (such as altroot and cachefile), so attempt to get them 1983379c004dSEric Schrock * anyway. 1984379c004dSEric Schrock */ 1985379c004dSEric Schrock mutex_enter(&spa_namespace_lock); 1986379c004dSEric Schrock if ((spa = spa_lookup(zc->zc_name)) != NULL) 1987379c004dSEric Schrock error = spa_prop_get(spa, &nvp); 1988379c004dSEric Schrock mutex_exit(&spa_namespace_lock); 1989379c004dSEric Schrock } else { 1990379c004dSEric Schrock error = spa_prop_get(spa, &nvp); 1991379c004dSEric Schrock spa_close(spa, FTAG); 1992379c004dSEric Schrock } 1993b1b8ab34Slling 1994b1b8ab34Slling if (error == 0 && zc->zc_nvlist_dst != NULL) 1995b1b8ab34Slling error = put_nvlist(zc, nvp); 1996b1b8ab34Slling else 1997b1b8ab34Slling error = EFAULT; 1998b1b8ab34Slling 1999379c004dSEric Schrock nvlist_free(nvp); 2000b1b8ab34Slling return (error); 2001b1b8ab34Slling } 2002b1b8ab34Slling 2003ecd6cf80Smarks static int 2004ecd6cf80Smarks zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) 2005ecd6cf80Smarks { 2006ecd6cf80Smarks nvlist_t *nvp; 2007ecd6cf80Smarks int error; 2008ecd6cf80Smarks uint32_t uid; 2009ecd6cf80Smarks uint32_t gid; 2010ecd6cf80Smarks uint32_t *groups; 2011ecd6cf80Smarks uint_t group_cnt; 2012ecd6cf80Smarks cred_t *usercred; 2013ecd6cf80Smarks 2014990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2015478ed9adSEric Taylor zc->zc_iflags, &nvp)) != 0) { 2016ecd6cf80Smarks return (error); 2017ecd6cf80Smarks } 2018ecd6cf80Smarks 2019ecd6cf80Smarks if ((error = nvlist_lookup_uint32(nvp, 2020ecd6cf80Smarks ZFS_DELEG_PERM_UID, &uid)) != 0) { 2021ecd6cf80Smarks nvlist_free(nvp); 2022ecd6cf80Smarks return (EPERM); 2023ecd6cf80Smarks } 2024ecd6cf80Smarks 2025ecd6cf80Smarks if ((error = nvlist_lookup_uint32(nvp, 2026ecd6cf80Smarks ZFS_DELEG_PERM_GID, &gid)) != 0) { 2027ecd6cf80Smarks nvlist_free(nvp); 2028ecd6cf80Smarks return (EPERM); 2029ecd6cf80Smarks } 2030ecd6cf80Smarks 2031ecd6cf80Smarks if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, 2032ecd6cf80Smarks &groups, &group_cnt)) != 0) { 2033ecd6cf80Smarks nvlist_free(nvp); 2034ecd6cf80Smarks return (EPERM); 2035ecd6cf80Smarks } 2036ecd6cf80Smarks usercred = cralloc(); 2037ecd6cf80Smarks if ((crsetugid(usercred, uid, gid) != 0) || 2038ecd6cf80Smarks (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { 2039ecd6cf80Smarks nvlist_free(nvp); 2040ecd6cf80Smarks crfree(usercred); 2041ecd6cf80Smarks return (EPERM); 2042ecd6cf80Smarks } 2043ecd6cf80Smarks nvlist_free(nvp); 2044ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, 204591ebeef5Sahrens zfs_prop_to_name(ZFS_PROP_SHAREISCSI), usercred); 2046ecd6cf80Smarks crfree(usercred); 2047ecd6cf80Smarks return (error); 2048ecd6cf80Smarks } 2049ecd6cf80Smarks 20503cb34c60Sahrens /* 20513cb34c60Sahrens * inputs: 20523cb34c60Sahrens * zc_name name of filesystem 20533cb34c60Sahrens * zc_nvlist_src{_size} nvlist of delegated permissions 20543cb34c60Sahrens * zc_perm_action allow/unallow flag 20553cb34c60Sahrens * 20563cb34c60Sahrens * outputs: none 20573cb34c60Sahrens */ 2058ecd6cf80Smarks static int 2059ecd6cf80Smarks zfs_ioc_set_fsacl(zfs_cmd_t *zc) 2060ecd6cf80Smarks { 2061ecd6cf80Smarks int error; 2062ecd6cf80Smarks nvlist_t *fsaclnv = NULL; 2063ecd6cf80Smarks 2064990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2065478ed9adSEric Taylor zc->zc_iflags, &fsaclnv)) != 0) 2066ecd6cf80Smarks return (error); 2067ecd6cf80Smarks 2068ecd6cf80Smarks /* 2069ecd6cf80Smarks * Verify nvlist is constructed correctly 2070ecd6cf80Smarks */ 2071ecd6cf80Smarks if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { 2072ecd6cf80Smarks nvlist_free(fsaclnv); 2073ecd6cf80Smarks return (EINVAL); 2074ecd6cf80Smarks } 2075ecd6cf80Smarks 2076ecd6cf80Smarks /* 2077ecd6cf80Smarks * If we don't have PRIV_SYS_MOUNT, then validate 2078ecd6cf80Smarks * that user is allowed to hand out each permission in 2079ecd6cf80Smarks * the nvlist(s) 2080ecd6cf80Smarks */ 2081ecd6cf80Smarks 208291ebeef5Sahrens error = secpolicy_zfs(CRED()); 2083ecd6cf80Smarks if (error) { 208491ebeef5Sahrens if (zc->zc_perm_action == B_FALSE) { 208591ebeef5Sahrens error = dsl_deleg_can_allow(zc->zc_name, 208691ebeef5Sahrens fsaclnv, CRED()); 208791ebeef5Sahrens } else { 208891ebeef5Sahrens error = dsl_deleg_can_unallow(zc->zc_name, 208991ebeef5Sahrens fsaclnv, CRED()); 209091ebeef5Sahrens } 2091ecd6cf80Smarks } 2092ecd6cf80Smarks 2093ecd6cf80Smarks if (error == 0) 2094ecd6cf80Smarks error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); 2095ecd6cf80Smarks 2096ecd6cf80Smarks nvlist_free(fsaclnv); 2097ecd6cf80Smarks return (error); 2098ecd6cf80Smarks } 2099ecd6cf80Smarks 21003cb34c60Sahrens /* 21013cb34c60Sahrens * inputs: 21023cb34c60Sahrens * zc_name name of filesystem 21033cb34c60Sahrens * 21043cb34c60Sahrens * outputs: 21053cb34c60Sahrens * zc_nvlist_src{_size} nvlist of delegated permissions 21063cb34c60Sahrens */ 2107ecd6cf80Smarks static int 2108ecd6cf80Smarks zfs_ioc_get_fsacl(zfs_cmd_t *zc) 2109ecd6cf80Smarks { 2110ecd6cf80Smarks nvlist_t *nvp; 2111ecd6cf80Smarks int error; 2112ecd6cf80Smarks 2113ecd6cf80Smarks if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { 2114ecd6cf80Smarks error = put_nvlist(zc, nvp); 2115ecd6cf80Smarks nvlist_free(nvp); 2116ecd6cf80Smarks } 2117ecd6cf80Smarks 2118ecd6cf80Smarks return (error); 2119ecd6cf80Smarks } 2120ecd6cf80Smarks 2121fa9e4066Sahrens /* 2122fa9e4066Sahrens * Search the vfs list for a specified resource. Returns a pointer to it 2123fa9e4066Sahrens * or NULL if no suitable entry is found. The caller of this routine 2124fa9e4066Sahrens * is responsible for releasing the returned vfs pointer. 2125fa9e4066Sahrens */ 2126fa9e4066Sahrens static vfs_t * 2127fa9e4066Sahrens zfs_get_vfs(const char *resource) 2128fa9e4066Sahrens { 2129fa9e4066Sahrens struct vfs *vfsp; 2130fa9e4066Sahrens struct vfs *vfs_found = NULL; 2131fa9e4066Sahrens 2132fa9e4066Sahrens vfs_list_read_lock(); 2133fa9e4066Sahrens vfsp = rootvfs; 2134fa9e4066Sahrens do { 2135fa9e4066Sahrens if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { 2136fa9e4066Sahrens VFS_HOLD(vfsp); 2137fa9e4066Sahrens vfs_found = vfsp; 2138fa9e4066Sahrens break; 2139fa9e4066Sahrens } 2140fa9e4066Sahrens vfsp = vfsp->vfs_next; 2141fa9e4066Sahrens } while (vfsp != rootvfs); 2142fa9e4066Sahrens vfs_list_unlock(); 2143fa9e4066Sahrens return (vfs_found); 2144fa9e4066Sahrens } 2145fa9e4066Sahrens 2146ecd6cf80Smarks /* ARGSUSED */ 2147fa9e4066Sahrens static void 2148ecd6cf80Smarks zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 2149fa9e4066Sahrens { 2150da6c28aaSamw zfs_creat_t *zct = arg; 2151da6c28aaSamw 2152de8267e0Stimh zfs_create_fs(os, cr, zct->zct_zplprops, tx); 2153da6c28aaSamw } 2154da6c28aaSamw 2155de8267e0Stimh #define ZFS_PROP_UNDEFINED ((uint64_t)-1) 2156da6c28aaSamw 2157da6c28aaSamw /* 2158de8267e0Stimh * inputs: 21590a48a24eStimh * createprops list of properties requested by creator 21600a48a24eStimh * default_zplver zpl version to use if unspecified in createprops 21610a48a24eStimh * fuids_ok fuids allowed in this version of the spa? 21620a48a24eStimh * os parent objset pointer (NULL if root fs) 2163de8267e0Stimh * 2164de8267e0Stimh * outputs: 2165de8267e0Stimh * zplprops values for the zplprops we attach to the master node object 21660a48a24eStimh * is_ci true if requested file system will be purely case-insensitive 2167da6c28aaSamw * 2168de8267e0Stimh * Determine the settings for utf8only, normalization and 2169de8267e0Stimh * casesensitivity. Specific values may have been requested by the 2170de8267e0Stimh * creator and/or we can inherit values from the parent dataset. If 2171de8267e0Stimh * the file system is of too early a vintage, a creator can not 2172de8267e0Stimh * request settings for these properties, even if the requested 2173de8267e0Stimh * setting is the default value. We don't actually want to create dsl 2174de8267e0Stimh * properties for these, so remove them from the source nvlist after 2175de8267e0Stimh * processing. 2176da6c28aaSamw */ 2177da6c28aaSamw static int 217814843421SMatthew Ahrens zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver, 21790a48a24eStimh boolean_t fuids_ok, nvlist_t *createprops, nvlist_t *zplprops, 21800a48a24eStimh boolean_t *is_ci) 2181da6c28aaSamw { 2182de8267e0Stimh uint64_t sense = ZFS_PROP_UNDEFINED; 2183de8267e0Stimh uint64_t norm = ZFS_PROP_UNDEFINED; 2184de8267e0Stimh uint64_t u8 = ZFS_PROP_UNDEFINED; 2185da6c28aaSamw 2186de8267e0Stimh ASSERT(zplprops != NULL); 2187da6c28aaSamw 2188de8267e0Stimh /* 2189de8267e0Stimh * Pull out creator prop choices, if any. 2190de8267e0Stimh */ 2191de8267e0Stimh if (createprops) { 21920a48a24eStimh (void) nvlist_lookup_uint64(createprops, 21930a48a24eStimh zfs_prop_to_name(ZFS_PROP_VERSION), &zplver); 2194de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2195de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE), &norm); 2196de8267e0Stimh (void) nvlist_remove_all(createprops, 2197de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE)); 2198de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2199de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY), &u8); 2200de8267e0Stimh (void) nvlist_remove_all(createprops, 2201de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); 2202de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2203de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE), &sense); 2204de8267e0Stimh (void) nvlist_remove_all(createprops, 2205de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE)); 2206de8267e0Stimh } 2207da6c28aaSamw 2208c2a93d44Stimh /* 22090a48a24eStimh * If the zpl version requested is whacky or the file system 22100a48a24eStimh * or pool is version is too "young" to support normalization 22110a48a24eStimh * and the creator tried to set a value for one of the props, 22120a48a24eStimh * error out. 2213c2a93d44Stimh */ 22140a48a24eStimh if ((zplver < ZPL_VERSION_INITIAL || zplver > ZPL_VERSION) || 22150a48a24eStimh (zplver >= ZPL_VERSION_FUID && !fuids_ok) || 22160a48a24eStimh (zplver < ZPL_VERSION_NORMALIZATION && 2217de8267e0Stimh (norm != ZFS_PROP_UNDEFINED || u8 != ZFS_PROP_UNDEFINED || 22180a48a24eStimh sense != ZFS_PROP_UNDEFINED))) 2219de8267e0Stimh return (ENOTSUP); 2220c2a93d44Stimh 2221de8267e0Stimh /* 2222de8267e0Stimh * Put the version in the zplprops 2223de8267e0Stimh */ 2224de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2225de8267e0Stimh zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0); 2226da6c28aaSamw 2227de8267e0Stimh if (norm == ZFS_PROP_UNDEFINED) 2228de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm) == 0); 2229de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2230de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0); 2231da6c28aaSamw 2232c2a93d44Stimh /* 2233de8267e0Stimh * If we're normalizing, names must always be valid UTF-8 strings. 2234c2a93d44Stimh */ 2235de8267e0Stimh if (norm) 2236de8267e0Stimh u8 = 1; 2237de8267e0Stimh if (u8 == ZFS_PROP_UNDEFINED) 2238de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8) == 0); 2239de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2240de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0); 2241de8267e0Stimh 2242de8267e0Stimh if (sense == ZFS_PROP_UNDEFINED) 2243de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_CASE, &sense) == 0); 2244de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2245de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0); 2246c2a93d44Stimh 2247ab04eb8eStimh if (is_ci) 2248ab04eb8eStimh *is_ci = (sense == ZFS_CASE_INSENSITIVE); 2249ab04eb8eStimh 2250da6c28aaSamw return (0); 2251fa9e4066Sahrens } 2252fa9e4066Sahrens 22530a48a24eStimh static int 22540a48a24eStimh zfs_fill_zplprops(const char *dataset, nvlist_t *createprops, 22550a48a24eStimh nvlist_t *zplprops, boolean_t *is_ci) 22560a48a24eStimh { 22570a48a24eStimh boolean_t fuids_ok = B_TRUE; 22580a48a24eStimh uint64_t zplver = ZPL_VERSION; 22590a48a24eStimh objset_t *os = NULL; 22600a48a24eStimh char parentname[MAXNAMELEN]; 22610a48a24eStimh char *cp; 22620a48a24eStimh int error; 22630a48a24eStimh 22640a48a24eStimh (void) strlcpy(parentname, dataset, sizeof (parentname)); 22650a48a24eStimh cp = strrchr(parentname, '/'); 22660a48a24eStimh ASSERT(cp != NULL); 22670a48a24eStimh cp[0] = '\0'; 22680a48a24eStimh 226914843421SMatthew Ahrens if (zfs_earlier_version(dataset, SPA_VERSION_USERSPACE)) 227014843421SMatthew Ahrens zplver = ZPL_VERSION_USERSPACE - 1; 22710a48a24eStimh if (zfs_earlier_version(dataset, SPA_VERSION_FUID)) { 22720a48a24eStimh zplver = ZPL_VERSION_FUID - 1; 22730a48a24eStimh fuids_ok = B_FALSE; 22740a48a24eStimh } 22750a48a24eStimh 22760a48a24eStimh /* 22770a48a24eStimh * Open parent object set so we can inherit zplprop values. 22780a48a24eStimh */ 2279503ad85cSMatthew Ahrens if ((error = dmu_objset_hold(parentname, FTAG, &os)) != 0) 22800a48a24eStimh return (error); 22810a48a24eStimh 22820a48a24eStimh error = zfs_fill_zplprops_impl(os, zplver, fuids_ok, createprops, 22830a48a24eStimh zplprops, is_ci); 2284503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 22850a48a24eStimh return (error); 22860a48a24eStimh } 22870a48a24eStimh 22880a48a24eStimh static int 22890a48a24eStimh zfs_fill_zplprops_root(uint64_t spa_vers, nvlist_t *createprops, 22900a48a24eStimh nvlist_t *zplprops, boolean_t *is_ci) 22910a48a24eStimh { 22920a48a24eStimh boolean_t fuids_ok = B_TRUE; 22930a48a24eStimh uint64_t zplver = ZPL_VERSION; 22940a48a24eStimh int error; 22950a48a24eStimh 22960a48a24eStimh if (spa_vers < SPA_VERSION_FUID) { 22970a48a24eStimh zplver = ZPL_VERSION_FUID - 1; 22980a48a24eStimh fuids_ok = B_FALSE; 22990a48a24eStimh } 23000a48a24eStimh 23010a48a24eStimh error = zfs_fill_zplprops_impl(NULL, zplver, fuids_ok, createprops, 23020a48a24eStimh zplprops, is_ci); 23030a48a24eStimh return (error); 23040a48a24eStimh } 23050a48a24eStimh 23063cb34c60Sahrens /* 23073cb34c60Sahrens * inputs: 23083cb34c60Sahrens * zc_objset_type type of objset to create (fs vs zvol) 23093cb34c60Sahrens * zc_name name of new objset 23103cb34c60Sahrens * zc_value name of snapshot to clone from (may be empty) 23113cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 23123cb34c60Sahrens * 2313de8267e0Stimh * outputs: none 23143cb34c60Sahrens */ 2315fa9e4066Sahrens static int 2316fa9e4066Sahrens zfs_ioc_create(zfs_cmd_t *zc) 2317fa9e4066Sahrens { 2318fa9e4066Sahrens objset_t *clone; 2319fa9e4066Sahrens int error = 0; 2320da6c28aaSamw zfs_creat_t zct; 2321ecd6cf80Smarks nvlist_t *nvprops = NULL; 2322ecd6cf80Smarks void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); 2323fa9e4066Sahrens dmu_objset_type_t type = zc->zc_objset_type; 2324fa9e4066Sahrens 2325fa9e4066Sahrens switch (type) { 2326fa9e4066Sahrens 2327fa9e4066Sahrens case DMU_OST_ZFS: 2328fa9e4066Sahrens cbfunc = zfs_create_cb; 2329fa9e4066Sahrens break; 2330fa9e4066Sahrens 2331fa9e4066Sahrens case DMU_OST_ZVOL: 2332fa9e4066Sahrens cbfunc = zvol_create_cb; 2333fa9e4066Sahrens break; 2334fa9e4066Sahrens 2335fa9e4066Sahrens default: 23361d452cf5Sahrens cbfunc = NULL; 2337e7cbe64fSgw break; 2338fa9e4066Sahrens } 2339f18faf3fSek if (strchr(zc->zc_name, '@') || 2340f18faf3fSek strchr(zc->zc_name, '%')) 23411d452cf5Sahrens return (EINVAL); 2342fa9e4066Sahrens 2343e9dbad6fSeschrock if (zc->zc_nvlist_src != NULL && 2344990b4856Slling (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2345478ed9adSEric Taylor zc->zc_iflags, &nvprops)) != 0) 2346e9dbad6fSeschrock return (error); 2347e9dbad6fSeschrock 2348de8267e0Stimh zct.zct_zplprops = NULL; 2349da6c28aaSamw zct.zct_props = nvprops; 2350da6c28aaSamw 2351e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 2352fa9e4066Sahrens /* 2353fa9e4066Sahrens * We're creating a clone of an existing snapshot. 2354fa9e4066Sahrens */ 2355e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 2356e9dbad6fSeschrock if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { 2357ecd6cf80Smarks nvlist_free(nvprops); 2358fa9e4066Sahrens return (EINVAL); 2359e9dbad6fSeschrock } 2360fa9e4066Sahrens 2361503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_value, FTAG, &clone); 2362e9dbad6fSeschrock if (error) { 2363ecd6cf80Smarks nvlist_free(nvprops); 2364fa9e4066Sahrens return (error); 2365e9dbad6fSeschrock } 2366ab04eb8eStimh 2367ae46e4c7SMatthew Ahrens error = dmu_objset_clone(zc->zc_name, dmu_objset_ds(clone), 0); 2368503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 2369da6c28aaSamw if (error) { 2370da6c28aaSamw nvlist_free(nvprops); 2371da6c28aaSamw return (error); 2372da6c28aaSamw } 2373fa9e4066Sahrens } else { 2374ab04eb8eStimh boolean_t is_insensitive = B_FALSE; 2375ab04eb8eStimh 2376e9dbad6fSeschrock if (cbfunc == NULL) { 2377ecd6cf80Smarks nvlist_free(nvprops); 23781d452cf5Sahrens return (EINVAL); 2379e9dbad6fSeschrock } 23805c5460e9Seschrock 2381e9dbad6fSeschrock if (type == DMU_OST_ZVOL) { 2382e9dbad6fSeschrock uint64_t volsize, volblocksize; 2383e9dbad6fSeschrock 2384ecd6cf80Smarks if (nvprops == NULL || 2385ecd6cf80Smarks nvlist_lookup_uint64(nvprops, 2386e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLSIZE), 2387e9dbad6fSeschrock &volsize) != 0) { 2388ecd6cf80Smarks nvlist_free(nvprops); 2389e9dbad6fSeschrock return (EINVAL); 2390e9dbad6fSeschrock } 2391e9dbad6fSeschrock 2392ecd6cf80Smarks if ((error = nvlist_lookup_uint64(nvprops, 2393e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 2394e9dbad6fSeschrock &volblocksize)) != 0 && error != ENOENT) { 2395ecd6cf80Smarks nvlist_free(nvprops); 2396e9dbad6fSeschrock return (EINVAL); 2397e9dbad6fSeschrock } 2398e9dbad6fSeschrock 2399e9dbad6fSeschrock if (error != 0) 2400e9dbad6fSeschrock volblocksize = zfs_prop_default_numeric( 2401e9dbad6fSeschrock ZFS_PROP_VOLBLOCKSIZE); 2402e9dbad6fSeschrock 2403e9dbad6fSeschrock if ((error = zvol_check_volblocksize( 2404e9dbad6fSeschrock volblocksize)) != 0 || 2405e9dbad6fSeschrock (error = zvol_check_volsize(volsize, 2406e9dbad6fSeschrock volblocksize)) != 0) { 2407ecd6cf80Smarks nvlist_free(nvprops); 24085c5460e9Seschrock return (error); 2409e9dbad6fSeschrock } 2410e7437265Sahrens } else if (type == DMU_OST_ZFS) { 2411da6c28aaSamw int error; 2412da6c28aaSamw 2413da6c28aaSamw /* 2414da6c28aaSamw * We have to have normalization and 2415da6c28aaSamw * case-folding flags correct when we do the 2416da6c28aaSamw * file system creation, so go figure them out 2417de8267e0Stimh * now. 2418da6c28aaSamw */ 2419de8267e0Stimh VERIFY(nvlist_alloc(&zct.zct_zplprops, 2420de8267e0Stimh NV_UNIQUE_NAME, KM_SLEEP) == 0); 2421de8267e0Stimh error = zfs_fill_zplprops(zc->zc_name, nvprops, 24220a48a24eStimh zct.zct_zplprops, &is_insensitive); 2423da6c28aaSamw if (error != 0) { 2424da6c28aaSamw nvlist_free(nvprops); 2425de8267e0Stimh nvlist_free(zct.zct_zplprops); 2426da6c28aaSamw return (error); 2427da6c28aaSamw } 2428da6c28aaSamw } 2429ae46e4c7SMatthew Ahrens error = dmu_objset_create(zc->zc_name, type, 2430ab04eb8eStimh is_insensitive ? DS_FLAG_CI_DATASET : 0, cbfunc, &zct); 2431de8267e0Stimh nvlist_free(zct.zct_zplprops); 2432fa9e4066Sahrens } 2433e9dbad6fSeschrock 2434e9dbad6fSeschrock /* 2435e9dbad6fSeschrock * It would be nice to do this atomically. 2436e9dbad6fSeschrock */ 2437e9dbad6fSeschrock if (error == 0) { 243891ebeef5Sahrens if ((error = zfs_set_prop_nvlist(zc->zc_name, nvprops)) != 0) 2439842727c2SChris Kirby (void) dmu_objset_destroy(zc->zc_name, B_FALSE); 2440e9dbad6fSeschrock } 2441ecd6cf80Smarks nvlist_free(nvprops); 2442fa9e4066Sahrens return (error); 2443fa9e4066Sahrens } 2444fa9e4066Sahrens 24453cb34c60Sahrens /* 24463cb34c60Sahrens * inputs: 24473cb34c60Sahrens * zc_name name of filesystem 24483cb34c60Sahrens * zc_value short name of snapshot 24493cb34c60Sahrens * zc_cookie recursive flag 245014843421SMatthew Ahrens * zc_nvlist_src[_size] property list 24513cb34c60Sahrens * 2452*681d9761SEric Taylor * outputs: 2453*681d9761SEric Taylor * zc_value short snapname (i.e. part after the '@') 24543cb34c60Sahrens */ 2455fa9e4066Sahrens static int 24561d452cf5Sahrens zfs_ioc_snapshot(zfs_cmd_t *zc) 2457fa9e4066Sahrens { 2458bb0ade09Sahrens nvlist_t *nvprops = NULL; 2459bb0ade09Sahrens int error; 2460bb0ade09Sahrens boolean_t recursive = zc->zc_cookie; 2461bb0ade09Sahrens 2462e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 24631d452cf5Sahrens return (EINVAL); 2464bb0ade09Sahrens 2465bb0ade09Sahrens if (zc->zc_nvlist_src != NULL && 2466bb0ade09Sahrens (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2467478ed9adSEric Taylor zc->zc_iflags, &nvprops)) != 0) 2468bb0ade09Sahrens return (error); 2469bb0ade09Sahrens 2470ea2f5b9eSMatthew Ahrens error = zfs_check_userprops(zc->zc_name, nvprops); 2471ea2f5b9eSMatthew Ahrens if (error) 2472ea2f5b9eSMatthew Ahrens goto out; 2473bb0ade09Sahrens 2474ea2f5b9eSMatthew Ahrens if (nvprops != NULL && nvlist_next_nvpair(nvprops, NULL) != NULL && 2475ea2f5b9eSMatthew Ahrens zfs_earlier_version(zc->zc_name, SPA_VERSION_SNAP_PROPS)) { 2476ea2f5b9eSMatthew Ahrens error = ENOTSUP; 2477ea2f5b9eSMatthew Ahrens goto out; 2478bb0ade09Sahrens } 2479ea2f5b9eSMatthew Ahrens 2480ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(zc->zc_name, zc->zc_value, 2481ea2f5b9eSMatthew Ahrens nvprops, recursive); 2482ea2f5b9eSMatthew Ahrens 2483ea2f5b9eSMatthew Ahrens out: 2484bb0ade09Sahrens nvlist_free(nvprops); 2485bb0ade09Sahrens return (error); 24861d452cf5Sahrens } 2487fa9e4066Sahrens 2488cdf5b4caSmmusante int 24891d452cf5Sahrens zfs_unmount_snap(char *name, void *arg) 24901d452cf5Sahrens { 24910b69c2f0Sahrens vfs_t *vfsp = NULL; 24921d452cf5Sahrens 2493745cd3c5Smaybee if (arg) { 2494745cd3c5Smaybee char *snapname = arg; 2495745cd3c5Smaybee int len = strlen(name) + strlen(snapname) + 2; 2496745cd3c5Smaybee char *buf = kmem_alloc(len, KM_SLEEP); 24971d452cf5Sahrens 2498745cd3c5Smaybee (void) strcpy(buf, name); 2499745cd3c5Smaybee (void) strcat(buf, "@"); 2500745cd3c5Smaybee (void) strcat(buf, snapname); 2501745cd3c5Smaybee vfsp = zfs_get_vfs(buf); 2502745cd3c5Smaybee kmem_free(buf, len); 25030b69c2f0Sahrens } else if (strchr(name, '@')) { 25041d452cf5Sahrens vfsp = zfs_get_vfs(name); 25051d452cf5Sahrens } 25061d452cf5Sahrens 25071d452cf5Sahrens if (vfsp) { 2508fa9e4066Sahrens /* 25091d452cf5Sahrens * Always force the unmount for snapshots. 2510fa9e4066Sahrens */ 25111d452cf5Sahrens int flag = MS_FORCE; 25121d452cf5Sahrens int err; 25131d452cf5Sahrens 25141d452cf5Sahrens if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { 2515fa9e4066Sahrens VFS_RELE(vfsp); 25161d452cf5Sahrens return (err); 2517fa9e4066Sahrens } 25181d452cf5Sahrens VFS_RELE(vfsp); 25191d452cf5Sahrens if ((err = dounmount(vfsp, flag, kcred)) != 0) 25201d452cf5Sahrens return (err); 25211d452cf5Sahrens } 25221d452cf5Sahrens return (0); 25231d452cf5Sahrens } 25241d452cf5Sahrens 25253cb34c60Sahrens /* 25263cb34c60Sahrens * inputs: 2527842727c2SChris Kirby * zc_name name of filesystem 2528842727c2SChris Kirby * zc_value short name of snapshot 2529842727c2SChris Kirby * zc_defer_destroy mark for deferred destroy 25303cb34c60Sahrens * 25313cb34c60Sahrens * outputs: none 25323cb34c60Sahrens */ 25331d452cf5Sahrens static int 25341d452cf5Sahrens zfs_ioc_destroy_snaps(zfs_cmd_t *zc) 25351d452cf5Sahrens { 25361d452cf5Sahrens int err; 25371d452cf5Sahrens 2538e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 25391d452cf5Sahrens return (EINVAL); 25401d452cf5Sahrens err = dmu_objset_find(zc->zc_name, 2541e9dbad6fSeschrock zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); 25421d452cf5Sahrens if (err) 25431d452cf5Sahrens return (err); 2544842727c2SChris Kirby return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value, 2545842727c2SChris Kirby zc->zc_defer_destroy)); 25461d452cf5Sahrens } 25471d452cf5Sahrens 25483cb34c60Sahrens /* 25493cb34c60Sahrens * inputs: 25503cb34c60Sahrens * zc_name name of dataset to destroy 25513cb34c60Sahrens * zc_objset_type type of objset 2552842727c2SChris Kirby * zc_defer_destroy mark for deferred destroy 25533cb34c60Sahrens * 25543cb34c60Sahrens * outputs: none 25553cb34c60Sahrens */ 25561d452cf5Sahrens static int 25571d452cf5Sahrens zfs_ioc_destroy(zfs_cmd_t *zc) 25581d452cf5Sahrens { 2559*681d9761SEric Taylor int err; 25601d452cf5Sahrens if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { 2561*681d9761SEric Taylor err = zfs_unmount_snap(zc->zc_name, NULL); 25621d452cf5Sahrens if (err) 25631d452cf5Sahrens return (err); 2564fa9e4066Sahrens } 2565fa9e4066Sahrens 2566*681d9761SEric Taylor err = dmu_objset_destroy(zc->zc_name, zc->zc_defer_destroy); 2567*681d9761SEric Taylor if (zc->zc_objset_type == DMU_OST_ZVOL && err == 0) 2568*681d9761SEric Taylor zvol_remove_minor(zc->zc_name); 2569*681d9761SEric Taylor return (err); 2570fa9e4066Sahrens } 2571fa9e4066Sahrens 25723cb34c60Sahrens /* 25733cb34c60Sahrens * inputs: 25744ccbb6e7Sahrens * zc_name name of dataset to rollback (to most recent snapshot) 25753cb34c60Sahrens * 25763cb34c60Sahrens * outputs: none 25773cb34c60Sahrens */ 2578fa9e4066Sahrens static int 2579fa9e4066Sahrens zfs_ioc_rollback(zfs_cmd_t *zc) 2580fa9e4066Sahrens { 2581ae46e4c7SMatthew Ahrens dsl_dataset_t *ds, *clone; 25824ccbb6e7Sahrens int error; 2583ae46e4c7SMatthew Ahrens zfsvfs_t *zfsvfs; 2584ae46e4c7SMatthew Ahrens char *clone_name; 2585ae46e4c7SMatthew Ahrens 2586ae46e4c7SMatthew Ahrens error = dsl_dataset_hold(zc->zc_name, FTAG, &ds); 2587ae46e4c7SMatthew Ahrens if (error) 2588ae46e4c7SMatthew Ahrens return (error); 2589ae46e4c7SMatthew Ahrens 2590ae46e4c7SMatthew Ahrens /* must not be a snapshot */ 2591ae46e4c7SMatthew Ahrens if (dsl_dataset_is_snapshot(ds)) { 2592ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 2593ae46e4c7SMatthew Ahrens return (EINVAL); 2594ae46e4c7SMatthew Ahrens } 2595ae46e4c7SMatthew Ahrens 2596ae46e4c7SMatthew Ahrens /* must have a most recent snapshot */ 2597ae46e4c7SMatthew Ahrens if (ds->ds_phys->ds_prev_snap_txg < TXG_INITIAL) { 2598ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 2599ae46e4c7SMatthew Ahrens return (EINVAL); 2600ae46e4c7SMatthew Ahrens } 26014ccbb6e7Sahrens 26024ccbb6e7Sahrens /* 2603ae46e4c7SMatthew Ahrens * Create clone of most recent snapshot. 26044ccbb6e7Sahrens */ 2605ae46e4c7SMatthew Ahrens clone_name = kmem_asprintf("%s/%%rollback", zc->zc_name); 2606ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone_name, ds->ds_prev, DS_FLAG_INCONSISTENT); 26074ccbb6e7Sahrens if (error) 2608ae46e4c7SMatthew Ahrens goto out; 26094ccbb6e7Sahrens 2610503ad85cSMatthew Ahrens error = dsl_dataset_own(clone_name, B_TRUE, FTAG, &clone); 2611ae46e4c7SMatthew Ahrens if (error) 2612ae46e4c7SMatthew Ahrens goto out; 2613ae46e4c7SMatthew Ahrens 2614ae46e4c7SMatthew Ahrens /* 2615ae46e4c7SMatthew Ahrens * Do clone swap. 2616ae46e4c7SMatthew Ahrens */ 261714843421SMatthew Ahrens if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) { 2618503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 261947f263f4Sek if (error == 0) { 262047f263f4Sek int resume_err; 26214ccbb6e7Sahrens 2622ae46e4c7SMatthew Ahrens if (dsl_dataset_tryown(ds, B_FALSE, FTAG)) { 2623ae46e4c7SMatthew Ahrens error = dsl_dataset_clone_swap(clone, ds, 2624ae46e4c7SMatthew Ahrens B_TRUE); 2625ae46e4c7SMatthew Ahrens dsl_dataset_disown(ds, FTAG); 2626ae46e4c7SMatthew Ahrens ds = NULL; 2627ae46e4c7SMatthew Ahrens } else { 2628ae46e4c7SMatthew Ahrens error = EBUSY; 2629ae46e4c7SMatthew Ahrens } 2630503ad85cSMatthew Ahrens resume_err = zfs_resume_fs(zfsvfs, zc->zc_name); 263147f263f4Sek error = error ? error : resume_err; 263247f263f4Sek } 26334ccbb6e7Sahrens VFS_RELE(zfsvfs->z_vfs); 26344ccbb6e7Sahrens } else { 2635ae46e4c7SMatthew Ahrens if (dsl_dataset_tryown(ds, B_FALSE, FTAG)) { 2636ae46e4c7SMatthew Ahrens error = dsl_dataset_clone_swap(clone, ds, B_TRUE); 2637ae46e4c7SMatthew Ahrens dsl_dataset_disown(ds, FTAG); 2638ae46e4c7SMatthew Ahrens ds = NULL; 2639ae46e4c7SMatthew Ahrens } else { 2640ae46e4c7SMatthew Ahrens error = EBUSY; 2641ae46e4c7SMatthew Ahrens } 26424ccbb6e7Sahrens } 26434ccbb6e7Sahrens 2644ae46e4c7SMatthew Ahrens /* 2645ae46e4c7SMatthew Ahrens * Destroy clone (which also closes it). 2646ae46e4c7SMatthew Ahrens */ 2647ae46e4c7SMatthew Ahrens (void) dsl_dataset_destroy(clone, FTAG, B_FALSE); 2648ae46e4c7SMatthew Ahrens 2649ae46e4c7SMatthew Ahrens out: 2650ae46e4c7SMatthew Ahrens strfree(clone_name); 2651ae46e4c7SMatthew Ahrens if (ds) 2652ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 26534ccbb6e7Sahrens return (error); 2654fa9e4066Sahrens } 2655fa9e4066Sahrens 26563cb34c60Sahrens /* 26573cb34c60Sahrens * inputs: 26583cb34c60Sahrens * zc_name old name of dataset 26593cb34c60Sahrens * zc_value new name of dataset 26603cb34c60Sahrens * zc_cookie recursive flag (only valid for snapshots) 26613cb34c60Sahrens * 26623cb34c60Sahrens * outputs: none 26633cb34c60Sahrens */ 2664fa9e4066Sahrens static int 2665fa9e4066Sahrens zfs_ioc_rename(zfs_cmd_t *zc) 2666fa9e4066Sahrens { 26677f1f55eaSvb boolean_t recursive = zc->zc_cookie & 1; 2668cdf5b4caSmmusante 2669e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 2670f18faf3fSek if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 2671f18faf3fSek strchr(zc->zc_value, '%')) 2672fa9e4066Sahrens return (EINVAL); 2673fa9e4066Sahrens 2674cdf5b4caSmmusante /* 2675cdf5b4caSmmusante * Unmount snapshot unless we're doing a recursive rename, 2676cdf5b4caSmmusante * in which case the dataset code figures out which snapshots 2677cdf5b4caSmmusante * to unmount. 2678cdf5b4caSmmusante */ 2679cdf5b4caSmmusante if (!recursive && strchr(zc->zc_name, '@') != NULL && 2680fa9e4066Sahrens zc->zc_objset_type == DMU_OST_ZFS) { 26811d452cf5Sahrens int err = zfs_unmount_snap(zc->zc_name, NULL); 26821d452cf5Sahrens if (err) 26831d452cf5Sahrens return (err); 2684fa9e4066Sahrens } 2685*681d9761SEric Taylor if (zc->zc_objset_type == DMU_OST_ZVOL) 2686*681d9761SEric Taylor (void) zvol_remove_minor(zc->zc_name); 2687cdf5b4caSmmusante return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); 2688fa9e4066Sahrens } 2689fa9e4066Sahrens 2690745cd3c5Smaybee static void 26916e77af0aSDavid Pacheco clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops) 2692745cd3c5Smaybee { 2693745cd3c5Smaybee zfs_cmd_t *zc; 2694745cd3c5Smaybee nvpair_t *prop; 2695745cd3c5Smaybee 2696745cd3c5Smaybee if (props == NULL) 2697745cd3c5Smaybee return; 2698745cd3c5Smaybee zc = kmem_alloc(sizeof (zfs_cmd_t), KM_SLEEP); 2699745cd3c5Smaybee (void) strcpy(zc->zc_name, dataset); 2700745cd3c5Smaybee for (prop = nvlist_next_nvpair(props, NULL); prop; 2701745cd3c5Smaybee prop = nvlist_next_nvpair(props, prop)) { 27026e77af0aSDavid Pacheco if (newprops != NULL && 27036e77af0aSDavid Pacheco nvlist_exists(newprops, nvpair_name(prop))) 27046e77af0aSDavid Pacheco continue; 2705745cd3c5Smaybee (void) strcpy(zc->zc_value, nvpair_name(prop)); 2706745cd3c5Smaybee if (zfs_secpolicy_inherit(zc, CRED()) == 0) 2707745cd3c5Smaybee (void) zfs_ioc_inherit_prop(zc); 2708745cd3c5Smaybee } 2709745cd3c5Smaybee kmem_free(zc, sizeof (zfs_cmd_t)); 2710745cd3c5Smaybee } 2711745cd3c5Smaybee 27123cb34c60Sahrens /* 27133cb34c60Sahrens * inputs: 27143cb34c60Sahrens * zc_name name of containing filesystem 27153cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 27163cb34c60Sahrens * zc_value name of snapshot to create 27173cb34c60Sahrens * zc_string name of clone origin (if DRR_FLAG_CLONE) 27183cb34c60Sahrens * zc_cookie file descriptor to recv from 27193cb34c60Sahrens * zc_begin_record the BEGIN record of the stream (not byteswapped) 27203cb34c60Sahrens * zc_guid force flag 27213cb34c60Sahrens * 27223cb34c60Sahrens * outputs: 27233cb34c60Sahrens * zc_cookie number of bytes read 27243cb34c60Sahrens */ 2725fa9e4066Sahrens static int 27263cb34c60Sahrens zfs_ioc_recv(zfs_cmd_t *zc) 2727fa9e4066Sahrens { 2728fa9e4066Sahrens file_t *fp; 2729f18faf3fSek objset_t *os; 27303cb34c60Sahrens dmu_recv_cookie_t drc; 2731f18faf3fSek boolean_t force = (boolean_t)zc->zc_guid; 2732f18faf3fSek int error, fd; 27333cb34c60Sahrens offset_t off; 27343cb34c60Sahrens nvlist_t *props = NULL; 2735745cd3c5Smaybee nvlist_t *origprops = NULL; 27363cb34c60Sahrens objset_t *origin = NULL; 27373cb34c60Sahrens char *tosnap; 27383cb34c60Sahrens char tofs[ZFS_MAXNAMELEN]; 2739fa9e4066Sahrens 27403ccfa83cSahrens if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 2741f18faf3fSek strchr(zc->zc_value, '@') == NULL || 2742f18faf3fSek strchr(zc->zc_value, '%')) 27433ccfa83cSahrens return (EINVAL); 27443ccfa83cSahrens 27453cb34c60Sahrens (void) strcpy(tofs, zc->zc_value); 27463cb34c60Sahrens tosnap = strchr(tofs, '@'); 27473cb34c60Sahrens *tosnap = '\0'; 27483cb34c60Sahrens tosnap++; 27493cb34c60Sahrens 27503cb34c60Sahrens if (zc->zc_nvlist_src != NULL && 27513cb34c60Sahrens (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2752478ed9adSEric Taylor zc->zc_iflags, &props)) != 0) 27533cb34c60Sahrens return (error); 27543cb34c60Sahrens 2755fa9e4066Sahrens fd = zc->zc_cookie; 2756fa9e4066Sahrens fp = getf(fd); 27573cb34c60Sahrens if (fp == NULL) { 27583cb34c60Sahrens nvlist_free(props); 2759fa9e4066Sahrens return (EBADF); 27603cb34c60Sahrens } 2761f18faf3fSek 2762503ad85cSMatthew Ahrens if (props && dmu_objset_hold(tofs, FTAG, &os) == 0) { 2763745cd3c5Smaybee /* 2764745cd3c5Smaybee * If new properties are supplied, they are to completely 2765745cd3c5Smaybee * replace the existing ones, so stash away the existing ones. 2766745cd3c5Smaybee */ 2767503ad85cSMatthew Ahrens (void) dsl_prop_get_all(os, &origprops, B_TRUE); 2768745cd3c5Smaybee 2769503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2770f18faf3fSek } 2771f18faf3fSek 27723cb34c60Sahrens if (zc->zc_string[0]) { 2773503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_string, FTAG, &origin); 2774745cd3c5Smaybee if (error) 2775745cd3c5Smaybee goto out; 27763cb34c60Sahrens } 27773cb34c60Sahrens 27783cb34c60Sahrens error = dmu_recv_begin(tofs, tosnap, &zc->zc_begin_record, 2779f4b94bdeSMatthew Ahrens force, origin, &drc); 27803cb34c60Sahrens if (origin) 2781503ad85cSMatthew Ahrens dmu_objset_rele(origin, FTAG); 2782745cd3c5Smaybee if (error) 2783745cd3c5Smaybee goto out; 2784f18faf3fSek 2785f18faf3fSek /* 2786745cd3c5Smaybee * Reset properties. We do this before we receive the stream 2787745cd3c5Smaybee * so that the properties are applied to the new data. 2788f18faf3fSek */ 27893cb34c60Sahrens if (props) { 27906e77af0aSDavid Pacheco clear_props(tofs, origprops, props); 2791745cd3c5Smaybee /* 2792745cd3c5Smaybee * XXX - Note, this is all-or-nothing; should be best-effort. 2793745cd3c5Smaybee */ 2794745cd3c5Smaybee (void) zfs_set_prop_nvlist(tofs, props); 27953cb34c60Sahrens } 27963cb34c60Sahrens 27973cb34c60Sahrens off = fp->f_offset; 27983cb34c60Sahrens error = dmu_recv_stream(&drc, fp->f_vnode, &off); 2799a2eea2e1Sahrens 2800f4b94bdeSMatthew Ahrens if (error == 0) { 2801f4b94bdeSMatthew Ahrens zfsvfs_t *zfsvfs = NULL; 2802745cd3c5Smaybee 2803f4b94bdeSMatthew Ahrens if (getzfsvfs(tofs, &zfsvfs) == 0) { 2804f4b94bdeSMatthew Ahrens /* online recv */ 2805f4b94bdeSMatthew Ahrens int end_err; 2806745cd3c5Smaybee 2807503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 2808f4b94bdeSMatthew Ahrens /* 2809f4b94bdeSMatthew Ahrens * If the suspend fails, then the recv_end will 2810f4b94bdeSMatthew Ahrens * likely also fail, and clean up after itself. 2811f4b94bdeSMatthew Ahrens */ 2812f4b94bdeSMatthew Ahrens end_err = dmu_recv_end(&drc); 2813f4b94bdeSMatthew Ahrens if (error == 0) { 2814f4b94bdeSMatthew Ahrens int resume_err = 2815503ad85cSMatthew Ahrens zfs_resume_fs(zfsvfs, tofs); 2816f4b94bdeSMatthew Ahrens error = error ? error : resume_err; 2817f4b94bdeSMatthew Ahrens } 2818f4b94bdeSMatthew Ahrens error = error ? error : end_err; 2819f4b94bdeSMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 2820745cd3c5Smaybee } else { 2821f4b94bdeSMatthew Ahrens error = dmu_recv_end(&drc); 28223cb34c60Sahrens } 282347f263f4Sek } 28243cb34c60Sahrens 28253cb34c60Sahrens zc->zc_cookie = off - fp->f_offset; 28263cb34c60Sahrens if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) 28273cb34c60Sahrens fp->f_offset = off; 2828a2eea2e1Sahrens 2829745cd3c5Smaybee /* 2830745cd3c5Smaybee * On error, restore the original props. 2831745cd3c5Smaybee */ 2832745cd3c5Smaybee if (error && props) { 28336e77af0aSDavid Pacheco clear_props(tofs, props, NULL); 2834745cd3c5Smaybee (void) zfs_set_prop_nvlist(tofs, origprops); 2835745cd3c5Smaybee } 2836745cd3c5Smaybee out: 2837745cd3c5Smaybee nvlist_free(props); 2838745cd3c5Smaybee nvlist_free(origprops); 2839fa9e4066Sahrens releasef(fd); 2840fa9e4066Sahrens return (error); 2841fa9e4066Sahrens } 2842fa9e4066Sahrens 28433cb34c60Sahrens /* 28443cb34c60Sahrens * inputs: 28453cb34c60Sahrens * zc_name name of snapshot to send 28463cb34c60Sahrens * zc_value short name of incremental fromsnap (may be empty) 28473cb34c60Sahrens * zc_cookie file descriptor to send stream to 28483cb34c60Sahrens * zc_obj fromorigin flag (mutually exclusive with zc_value) 28493cb34c60Sahrens * 28503cb34c60Sahrens * outputs: none 28513cb34c60Sahrens */ 2852fa9e4066Sahrens static int 28533cb34c60Sahrens zfs_ioc_send(zfs_cmd_t *zc) 2854fa9e4066Sahrens { 2855fa9e4066Sahrens objset_t *fromsnap = NULL; 2856fa9e4066Sahrens objset_t *tosnap; 2857fa9e4066Sahrens file_t *fp; 2858fa9e4066Sahrens int error; 28593cb34c60Sahrens offset_t off; 2860fa9e4066Sahrens 2861503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &tosnap); 2862fa9e4066Sahrens if (error) 2863fa9e4066Sahrens return (error); 2864fa9e4066Sahrens 2865e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 28666a0f0066SEric Taylor char *buf; 2867a2eea2e1Sahrens char *cp; 2868a2eea2e1Sahrens 28696a0f0066SEric Taylor buf = kmem_alloc(MAXPATHLEN, KM_SLEEP); 28706a0f0066SEric Taylor (void) strncpy(buf, zc->zc_name, MAXPATHLEN); 2871a2eea2e1Sahrens cp = strchr(buf, '@'); 2872a2eea2e1Sahrens if (cp) 2873a2eea2e1Sahrens *(cp+1) = 0; 28746a0f0066SEric Taylor (void) strncat(buf, zc->zc_value, MAXPATHLEN); 2875503ad85cSMatthew Ahrens error = dmu_objset_hold(buf, FTAG, &fromsnap); 28766a0f0066SEric Taylor kmem_free(buf, MAXPATHLEN); 2877fa9e4066Sahrens if (error) { 2878503ad85cSMatthew Ahrens dmu_objset_rele(tosnap, FTAG); 2879fa9e4066Sahrens return (error); 2880fa9e4066Sahrens } 2881fa9e4066Sahrens } 2882fa9e4066Sahrens 2883fa9e4066Sahrens fp = getf(zc->zc_cookie); 2884fa9e4066Sahrens if (fp == NULL) { 2885503ad85cSMatthew Ahrens dmu_objset_rele(tosnap, FTAG); 2886fa9e4066Sahrens if (fromsnap) 2887503ad85cSMatthew Ahrens dmu_objset_rele(fromsnap, FTAG); 2888fa9e4066Sahrens return (EBADF); 2889fa9e4066Sahrens } 2890fa9e4066Sahrens 28913cb34c60Sahrens off = fp->f_offset; 28923cb34c60Sahrens error = dmu_sendbackup(tosnap, fromsnap, zc->zc_obj, fp->f_vnode, &off); 2893fa9e4066Sahrens 28943cb34c60Sahrens if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) 28953cb34c60Sahrens fp->f_offset = off; 2896fa9e4066Sahrens releasef(zc->zc_cookie); 2897fa9e4066Sahrens if (fromsnap) 2898503ad85cSMatthew Ahrens dmu_objset_rele(fromsnap, FTAG); 2899503ad85cSMatthew Ahrens dmu_objset_rele(tosnap, FTAG); 2900fa9e4066Sahrens return (error); 2901fa9e4066Sahrens } 2902fa9e4066Sahrens 2903ea8dc4b6Seschrock static int 2904ea8dc4b6Seschrock zfs_ioc_inject_fault(zfs_cmd_t *zc) 2905ea8dc4b6Seschrock { 2906ea8dc4b6Seschrock int id, error; 2907ea8dc4b6Seschrock 2908ea8dc4b6Seschrock error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, 2909ea8dc4b6Seschrock &zc->zc_inject_record); 2910ea8dc4b6Seschrock 2911ea8dc4b6Seschrock if (error == 0) 2912ea8dc4b6Seschrock zc->zc_guid = (uint64_t)id; 2913ea8dc4b6Seschrock 2914ea8dc4b6Seschrock return (error); 2915ea8dc4b6Seschrock } 2916ea8dc4b6Seschrock 2917ea8dc4b6Seschrock static int 2918ea8dc4b6Seschrock zfs_ioc_clear_fault(zfs_cmd_t *zc) 2919ea8dc4b6Seschrock { 2920ea8dc4b6Seschrock return (zio_clear_fault((int)zc->zc_guid)); 2921ea8dc4b6Seschrock } 2922ea8dc4b6Seschrock 2923ea8dc4b6Seschrock static int 2924ea8dc4b6Seschrock zfs_ioc_inject_list_next(zfs_cmd_t *zc) 2925ea8dc4b6Seschrock { 2926ea8dc4b6Seschrock int id = (int)zc->zc_guid; 2927ea8dc4b6Seschrock int error; 2928ea8dc4b6Seschrock 2929ea8dc4b6Seschrock error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), 2930ea8dc4b6Seschrock &zc->zc_inject_record); 2931ea8dc4b6Seschrock 2932ea8dc4b6Seschrock zc->zc_guid = id; 2933ea8dc4b6Seschrock 2934ea8dc4b6Seschrock return (error); 2935ea8dc4b6Seschrock } 2936ea8dc4b6Seschrock 2937ea8dc4b6Seschrock static int 2938ea8dc4b6Seschrock zfs_ioc_error_log(zfs_cmd_t *zc) 2939ea8dc4b6Seschrock { 2940ea8dc4b6Seschrock spa_t *spa; 2941ea8dc4b6Seschrock int error; 2942e9dbad6fSeschrock size_t count = (size_t)zc->zc_nvlist_dst_size; 2943ea8dc4b6Seschrock 2944ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 2945ea8dc4b6Seschrock return (error); 2946ea8dc4b6Seschrock 2947e9dbad6fSeschrock error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, 2948ea8dc4b6Seschrock &count); 2949ea8dc4b6Seschrock if (error == 0) 2950e9dbad6fSeschrock zc->zc_nvlist_dst_size = count; 2951ea8dc4b6Seschrock else 2952e9dbad6fSeschrock zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); 2953ea8dc4b6Seschrock 2954ea8dc4b6Seschrock spa_close(spa, FTAG); 2955ea8dc4b6Seschrock 2956ea8dc4b6Seschrock return (error); 2957ea8dc4b6Seschrock } 2958ea8dc4b6Seschrock 2959ea8dc4b6Seschrock static int 2960ea8dc4b6Seschrock zfs_ioc_clear(zfs_cmd_t *zc) 2961ea8dc4b6Seschrock { 2962ea8dc4b6Seschrock spa_t *spa; 2963ea8dc4b6Seschrock vdev_t *vd; 2964bb8b5132Sek int error; 2965ea8dc4b6Seschrock 2966b87f3af3Sperrin /* 2967b87f3af3Sperrin * On zpool clear we also fix up missing slogs 2968b87f3af3Sperrin */ 2969b87f3af3Sperrin mutex_enter(&spa_namespace_lock); 2970b87f3af3Sperrin spa = spa_lookup(zc->zc_name); 2971b87f3af3Sperrin if (spa == NULL) { 2972b87f3af3Sperrin mutex_exit(&spa_namespace_lock); 2973b87f3af3Sperrin return (EIO); 2974b87f3af3Sperrin } 2975b87f3af3Sperrin if (spa->spa_log_state == SPA_LOG_MISSING) { 2976b87f3af3Sperrin /* we need to let spa_open/spa_load clear the chains */ 2977b87f3af3Sperrin spa->spa_log_state = SPA_LOG_CLEAR; 2978b87f3af3Sperrin } 2979b87f3af3Sperrin mutex_exit(&spa_namespace_lock); 2980b87f3af3Sperrin 2981ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 2982ea8dc4b6Seschrock return (error); 2983ea8dc4b6Seschrock 2984e14bb325SJeff Bonwick spa_vdev_state_enter(spa); 2985ea8dc4b6Seschrock 2986e9dbad6fSeschrock if (zc->zc_guid == 0) { 2987ea8dc4b6Seschrock vd = NULL; 2988c5904d13Seschrock } else { 2989c5904d13Seschrock vd = spa_lookup_by_guid(spa, zc->zc_guid, B_TRUE); 2990fa94a07fSbrendan if (vd == NULL) { 2991e14bb325SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, ENODEV); 2992fa94a07fSbrendan spa_close(spa, FTAG); 2993fa94a07fSbrendan return (ENODEV); 2994fa94a07fSbrendan } 2995ea8dc4b6Seschrock } 2996ea8dc4b6Seschrock 2997e14bb325SJeff Bonwick vdev_clear(spa, vd); 2998e14bb325SJeff Bonwick 2999e14bb325SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 3000ea8dc4b6Seschrock 3001e14bb325SJeff Bonwick /* 3002e14bb325SJeff Bonwick * Resume any suspended I/Os. 3003e14bb325SJeff Bonwick */ 300454d692b7SGeorge Wilson if (zio_resume(spa) != 0) 300554d692b7SGeorge Wilson error = EIO; 3006ea8dc4b6Seschrock 3007ea8dc4b6Seschrock spa_close(spa, FTAG); 3008ea8dc4b6Seschrock 300954d692b7SGeorge Wilson return (error); 3010ea8dc4b6Seschrock } 3011ea8dc4b6Seschrock 30123cb34c60Sahrens /* 30133cb34c60Sahrens * inputs: 30143cb34c60Sahrens * zc_name name of filesystem 30153cb34c60Sahrens * zc_value name of origin snapshot 30163cb34c60Sahrens * 3017*681d9761SEric Taylor * outputs: 3018*681d9761SEric Taylor * zc_string name of conflicting snapshot, if there is one 30193cb34c60Sahrens */ 302099653d4eSeschrock static int 302199653d4eSeschrock zfs_ioc_promote(zfs_cmd_t *zc) 302299653d4eSeschrock { 30230b69c2f0Sahrens char *cp; 30240b69c2f0Sahrens 30250b69c2f0Sahrens /* 30260b69c2f0Sahrens * We don't need to unmount *all* the origin fs's snapshots, but 30270b69c2f0Sahrens * it's easier. 30280b69c2f0Sahrens */ 3029e9dbad6fSeschrock cp = strchr(zc->zc_value, '@'); 30300b69c2f0Sahrens if (cp) 30310b69c2f0Sahrens *cp = '\0'; 3032e9dbad6fSeschrock (void) dmu_objset_find(zc->zc_value, 30330b69c2f0Sahrens zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); 3034*681d9761SEric Taylor return (dsl_dataset_promote(zc->zc_name, zc->zc_string)); 303599653d4eSeschrock } 303699653d4eSeschrock 303714843421SMatthew Ahrens /* 303814843421SMatthew Ahrens * Retrieve a single {user|group}{used|quota}@... property. 303914843421SMatthew Ahrens * 304014843421SMatthew Ahrens * inputs: 304114843421SMatthew Ahrens * zc_name name of filesystem 304214843421SMatthew Ahrens * zc_objset_type zfs_userquota_prop_t 304314843421SMatthew Ahrens * zc_value domain name (eg. "S-1-234-567-89") 304414843421SMatthew Ahrens * zc_guid RID/UID/GID 304514843421SMatthew Ahrens * 304614843421SMatthew Ahrens * outputs: 304714843421SMatthew Ahrens * zc_cookie property value 304814843421SMatthew Ahrens */ 304914843421SMatthew Ahrens static int 305014843421SMatthew Ahrens zfs_ioc_userspace_one(zfs_cmd_t *zc) 305114843421SMatthew Ahrens { 305214843421SMatthew Ahrens zfsvfs_t *zfsvfs; 305314843421SMatthew Ahrens int error; 305414843421SMatthew Ahrens 305514843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 305614843421SMatthew Ahrens return (EINVAL); 305714843421SMatthew Ahrens 3058503ad85cSMatthew Ahrens error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs); 305914843421SMatthew Ahrens if (error) 306014843421SMatthew Ahrens return (error); 306114843421SMatthew Ahrens 306214843421SMatthew Ahrens error = zfs_userspace_one(zfsvfs, 306314843421SMatthew Ahrens zc->zc_objset_type, zc->zc_value, zc->zc_guid, &zc->zc_cookie); 306414843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 306514843421SMatthew Ahrens 306614843421SMatthew Ahrens return (error); 306714843421SMatthew Ahrens } 306814843421SMatthew Ahrens 306914843421SMatthew Ahrens /* 307014843421SMatthew Ahrens * inputs: 307114843421SMatthew Ahrens * zc_name name of filesystem 307214843421SMatthew Ahrens * zc_cookie zap cursor 307314843421SMatthew Ahrens * zc_objset_type zfs_userquota_prop_t 307414843421SMatthew Ahrens * zc_nvlist_dst[_size] buffer to fill (not really an nvlist) 307514843421SMatthew Ahrens * 307614843421SMatthew Ahrens * outputs: 307714843421SMatthew Ahrens * zc_nvlist_dst[_size] data buffer (array of zfs_useracct_t) 307814843421SMatthew Ahrens * zc_cookie zap cursor 307914843421SMatthew Ahrens */ 308014843421SMatthew Ahrens static int 308114843421SMatthew Ahrens zfs_ioc_userspace_many(zfs_cmd_t *zc) 308214843421SMatthew Ahrens { 308314843421SMatthew Ahrens zfsvfs_t *zfsvfs; 308414843421SMatthew Ahrens int error; 308514843421SMatthew Ahrens 3086503ad85cSMatthew Ahrens error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs); 308714843421SMatthew Ahrens if (error) 308814843421SMatthew Ahrens return (error); 308914843421SMatthew Ahrens 309014843421SMatthew Ahrens int bufsize = zc->zc_nvlist_dst_size; 309114843421SMatthew Ahrens void *buf = kmem_alloc(bufsize, KM_SLEEP); 309214843421SMatthew Ahrens 309314843421SMatthew Ahrens error = zfs_userspace_many(zfsvfs, zc->zc_objset_type, &zc->zc_cookie, 309414843421SMatthew Ahrens buf, &zc->zc_nvlist_dst_size); 309514843421SMatthew Ahrens 309614843421SMatthew Ahrens if (error == 0) { 309714843421SMatthew Ahrens error = xcopyout(buf, 309814843421SMatthew Ahrens (void *)(uintptr_t)zc->zc_nvlist_dst, 309914843421SMatthew Ahrens zc->zc_nvlist_dst_size); 310014843421SMatthew Ahrens } 310114843421SMatthew Ahrens kmem_free(buf, bufsize); 310214843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 310314843421SMatthew Ahrens 310414843421SMatthew Ahrens return (error); 310514843421SMatthew Ahrens } 310614843421SMatthew Ahrens 310714843421SMatthew Ahrens /* 310814843421SMatthew Ahrens * inputs: 310914843421SMatthew Ahrens * zc_name name of filesystem 311014843421SMatthew Ahrens * 311114843421SMatthew Ahrens * outputs: 311214843421SMatthew Ahrens * none 311314843421SMatthew Ahrens */ 311414843421SMatthew Ahrens static int 311514843421SMatthew Ahrens zfs_ioc_userspace_upgrade(zfs_cmd_t *zc) 311614843421SMatthew Ahrens { 311714843421SMatthew Ahrens objset_t *os; 311814843421SMatthew Ahrens int error; 311914843421SMatthew Ahrens zfsvfs_t *zfsvfs; 312014843421SMatthew Ahrens 312114843421SMatthew Ahrens if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) { 3122503ad85cSMatthew Ahrens if (!dmu_objset_userused_enabled(zfsvfs->z_os)) { 312314843421SMatthew Ahrens /* 312414843421SMatthew Ahrens * If userused is not enabled, it may be because the 312514843421SMatthew Ahrens * objset needs to be closed & reopened (to grow the 312614843421SMatthew Ahrens * objset_phys_t). Suspend/resume the fs will do that. 312714843421SMatthew Ahrens */ 3128503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 3129503ad85cSMatthew Ahrens if (error == 0) 3130503ad85cSMatthew Ahrens error = zfs_resume_fs(zfsvfs, zc->zc_name); 313114843421SMatthew Ahrens } 313214843421SMatthew Ahrens if (error == 0) 313314843421SMatthew Ahrens error = dmu_objset_userspace_upgrade(zfsvfs->z_os); 313414843421SMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 313514843421SMatthew Ahrens } else { 3136503ad85cSMatthew Ahrens /* XXX kind of reading contents without owning */ 3137503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &os); 313814843421SMatthew Ahrens if (error) 313914843421SMatthew Ahrens return (error); 314014843421SMatthew Ahrens 314114843421SMatthew Ahrens error = dmu_objset_userspace_upgrade(os); 3142503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 314314843421SMatthew Ahrens } 314414843421SMatthew Ahrens 314514843421SMatthew Ahrens return (error); 314614843421SMatthew Ahrens } 314714843421SMatthew Ahrens 3148ecd6cf80Smarks /* 3149ecd6cf80Smarks * We don't want to have a hard dependency 3150ecd6cf80Smarks * against some special symbols in sharefs 3151da6c28aaSamw * nfs, and smbsrv. Determine them if needed when 3152ecd6cf80Smarks * the first file system is shared. 3153da6c28aaSamw * Neither sharefs, nfs or smbsrv are unloadable modules. 3154ecd6cf80Smarks */ 3155da6c28aaSamw int (*znfsexport_fs)(void *arg); 3156ecd6cf80Smarks int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); 3157da6c28aaSamw int (*zsmbexport_fs)(void *arg, boolean_t add_share); 3158da6c28aaSamw 3159da6c28aaSamw int zfs_nfsshare_inited; 3160da6c28aaSamw int zfs_smbshare_inited; 3161ecd6cf80Smarks 3162ecd6cf80Smarks ddi_modhandle_t nfs_mod; 3163ecd6cf80Smarks ddi_modhandle_t sharefs_mod; 3164da6c28aaSamw ddi_modhandle_t smbsrv_mod; 3165ecd6cf80Smarks kmutex_t zfs_share_lock; 3166ecd6cf80Smarks 3167da6c28aaSamw static int 3168da6c28aaSamw zfs_init_sharefs() 3169da6c28aaSamw { 3170da6c28aaSamw int error; 3171da6c28aaSamw 3172da6c28aaSamw ASSERT(MUTEX_HELD(&zfs_share_lock)); 3173da6c28aaSamw /* Both NFS and SMB shares also require sharetab support. */ 3174da6c28aaSamw if (sharefs_mod == NULL && ((sharefs_mod = 3175da6c28aaSamw ddi_modopen("fs/sharefs", 3176da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 3177da6c28aaSamw return (ENOSYS); 3178da6c28aaSamw } 3179da6c28aaSamw if (zshare_fs == NULL && ((zshare_fs = 3180da6c28aaSamw (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) 3181da6c28aaSamw ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { 3182da6c28aaSamw return (ENOSYS); 3183da6c28aaSamw } 3184da6c28aaSamw return (0); 3185da6c28aaSamw } 3186da6c28aaSamw 3187ecd6cf80Smarks static int 3188ecd6cf80Smarks zfs_ioc_share(zfs_cmd_t *zc) 3189ecd6cf80Smarks { 3190ecd6cf80Smarks int error; 3191ecd6cf80Smarks int opcode; 3192ecd6cf80Smarks 3193da6c28aaSamw switch (zc->zc_share.z_sharetype) { 3194da6c28aaSamw case ZFS_SHARE_NFS: 3195da6c28aaSamw case ZFS_UNSHARE_NFS: 3196da6c28aaSamw if (zfs_nfsshare_inited == 0) { 3197da6c28aaSamw mutex_enter(&zfs_share_lock); 3198da6c28aaSamw if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs", 3199da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 3200da6c28aaSamw mutex_exit(&zfs_share_lock); 3201da6c28aaSamw return (ENOSYS); 3202da6c28aaSamw } 3203da6c28aaSamw if (znfsexport_fs == NULL && 3204da6c28aaSamw ((znfsexport_fs = (int (*)(void *)) 3205da6c28aaSamw ddi_modsym(nfs_mod, 3206da6c28aaSamw "nfs_export", &error)) == NULL)) { 3207da6c28aaSamw mutex_exit(&zfs_share_lock); 3208da6c28aaSamw return (ENOSYS); 3209da6c28aaSamw } 3210da6c28aaSamw error = zfs_init_sharefs(); 3211da6c28aaSamw if (error) { 3212da6c28aaSamw mutex_exit(&zfs_share_lock); 3213da6c28aaSamw return (ENOSYS); 3214da6c28aaSamw } 3215da6c28aaSamw zfs_nfsshare_inited = 1; 3216ecd6cf80Smarks mutex_exit(&zfs_share_lock); 3217ecd6cf80Smarks } 3218da6c28aaSamw break; 3219da6c28aaSamw case ZFS_SHARE_SMB: 3220da6c28aaSamw case ZFS_UNSHARE_SMB: 3221da6c28aaSamw if (zfs_smbshare_inited == 0) { 3222da6c28aaSamw mutex_enter(&zfs_share_lock); 3223da6c28aaSamw if (smbsrv_mod == NULL && ((smbsrv_mod = 3224da6c28aaSamw ddi_modopen("drv/smbsrv", 3225da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 3226da6c28aaSamw mutex_exit(&zfs_share_lock); 3227da6c28aaSamw return (ENOSYS); 3228da6c28aaSamw } 3229da6c28aaSamw if (zsmbexport_fs == NULL && ((zsmbexport_fs = 3230da6c28aaSamw (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod, 3231faa1795aSjb "smb_server_share", &error)) == NULL)) { 3232da6c28aaSamw mutex_exit(&zfs_share_lock); 3233da6c28aaSamw return (ENOSYS); 3234da6c28aaSamw } 3235da6c28aaSamw error = zfs_init_sharefs(); 3236da6c28aaSamw if (error) { 3237da6c28aaSamw mutex_exit(&zfs_share_lock); 3238da6c28aaSamw return (ENOSYS); 3239da6c28aaSamw } 3240da6c28aaSamw zfs_smbshare_inited = 1; 3241ecd6cf80Smarks mutex_exit(&zfs_share_lock); 3242ecd6cf80Smarks } 3243da6c28aaSamw break; 3244da6c28aaSamw default: 3245da6c28aaSamw return (EINVAL); 3246da6c28aaSamw } 3247ecd6cf80Smarks 3248da6c28aaSamw switch (zc->zc_share.z_sharetype) { 3249da6c28aaSamw case ZFS_SHARE_NFS: 3250da6c28aaSamw case ZFS_UNSHARE_NFS: 3251da6c28aaSamw if (error = 3252da6c28aaSamw znfsexport_fs((void *) 3253da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata)) 3254da6c28aaSamw return (error); 3255da6c28aaSamw break; 3256da6c28aaSamw case ZFS_SHARE_SMB: 3257da6c28aaSamw case ZFS_UNSHARE_SMB: 3258da6c28aaSamw if (error = zsmbexport_fs((void *) 3259da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata, 3260da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB ? 3261743a77edSAlan Wright B_TRUE: B_FALSE)) { 3262da6c28aaSamw return (error); 3263ecd6cf80Smarks } 3264da6c28aaSamw break; 3265ecd6cf80Smarks } 3266ecd6cf80Smarks 3267da6c28aaSamw opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS || 3268da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ? 3269ecd6cf80Smarks SHAREFS_ADD : SHAREFS_REMOVE; 3270ecd6cf80Smarks 3271da6c28aaSamw /* 3272da6c28aaSamw * Add or remove share from sharetab 3273da6c28aaSamw */ 3274ecd6cf80Smarks error = zshare_fs(opcode, 3275ecd6cf80Smarks (void *)(uintptr_t)zc->zc_share.z_sharedata, 3276ecd6cf80Smarks zc->zc_share.z_sharemax); 3277ecd6cf80Smarks 3278ecd6cf80Smarks return (error); 3279ecd6cf80Smarks 3280ecd6cf80Smarks } 3281ecd6cf80Smarks 3282743a77edSAlan Wright ace_t full_access[] = { 3283743a77edSAlan Wright {(uid_t)-1, ACE_ALL_PERMS, ACE_EVERYONE, 0} 3284743a77edSAlan Wright }; 3285743a77edSAlan Wright 3286743a77edSAlan Wright /* 3287743a77edSAlan Wright * Remove all ACL files in shares dir 3288743a77edSAlan Wright */ 3289743a77edSAlan Wright static int 3290743a77edSAlan Wright zfs_smb_acl_purge(znode_t *dzp) 3291743a77edSAlan Wright { 3292743a77edSAlan Wright zap_cursor_t zc; 3293743a77edSAlan Wright zap_attribute_t zap; 3294743a77edSAlan Wright zfsvfs_t *zfsvfs = dzp->z_zfsvfs; 3295743a77edSAlan Wright int error; 3296743a77edSAlan Wright 3297743a77edSAlan Wright for (zap_cursor_init(&zc, zfsvfs->z_os, dzp->z_id); 3298743a77edSAlan Wright (error = zap_cursor_retrieve(&zc, &zap)) == 0; 3299743a77edSAlan Wright zap_cursor_advance(&zc)) { 3300743a77edSAlan Wright if ((error = VOP_REMOVE(ZTOV(dzp), zap.za_name, kcred, 3301743a77edSAlan Wright NULL, 0)) != 0) 3302743a77edSAlan Wright break; 3303743a77edSAlan Wright } 3304743a77edSAlan Wright zap_cursor_fini(&zc); 3305743a77edSAlan Wright return (error); 3306743a77edSAlan Wright } 3307743a77edSAlan Wright 3308743a77edSAlan Wright static int 3309743a77edSAlan Wright zfs_ioc_smb_acl(zfs_cmd_t *zc) 3310743a77edSAlan Wright { 3311743a77edSAlan Wright vnode_t *vp; 3312743a77edSAlan Wright znode_t *dzp; 3313743a77edSAlan Wright vnode_t *resourcevp = NULL; 3314743a77edSAlan Wright znode_t *sharedir; 3315743a77edSAlan Wright zfsvfs_t *zfsvfs; 3316743a77edSAlan Wright nvlist_t *nvlist; 3317743a77edSAlan Wright char *src, *target; 3318743a77edSAlan Wright vattr_t vattr; 3319743a77edSAlan Wright vsecattr_t vsec; 3320743a77edSAlan Wright int error = 0; 3321743a77edSAlan Wright 3322743a77edSAlan Wright if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, 3323743a77edSAlan Wright NO_FOLLOW, NULL, &vp)) != 0) 3324743a77edSAlan Wright return (error); 3325743a77edSAlan Wright 3326743a77edSAlan Wright /* Now make sure mntpnt and dataset are ZFS */ 3327743a77edSAlan Wright 3328743a77edSAlan Wright if (vp->v_vfsp->vfs_fstype != zfsfstype || 3329743a77edSAlan Wright (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), 3330743a77edSAlan Wright zc->zc_name) != 0)) { 3331743a77edSAlan Wright VN_RELE(vp); 3332743a77edSAlan Wright return (EINVAL); 3333743a77edSAlan Wright } 3334743a77edSAlan Wright 3335743a77edSAlan Wright dzp = VTOZ(vp); 3336743a77edSAlan Wright zfsvfs = dzp->z_zfsvfs; 3337743a77edSAlan Wright ZFS_ENTER(zfsvfs); 3338743a77edSAlan Wright 33399e1320c0SMark Shellenbaum /* 33409e1320c0SMark Shellenbaum * Create share dir if its missing. 33419e1320c0SMark Shellenbaum */ 33429e1320c0SMark Shellenbaum mutex_enter(&zfsvfs->z_lock); 33439e1320c0SMark Shellenbaum if (zfsvfs->z_shares_dir == 0) { 33449e1320c0SMark Shellenbaum dmu_tx_t *tx; 33459e1320c0SMark Shellenbaum 33469e1320c0SMark Shellenbaum tx = dmu_tx_create(zfsvfs->z_os); 33479e1320c0SMark Shellenbaum dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, TRUE, 33489e1320c0SMark Shellenbaum ZFS_SHARES_DIR); 33499e1320c0SMark Shellenbaum dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); 33509e1320c0SMark Shellenbaum error = dmu_tx_assign(tx, TXG_WAIT); 33519e1320c0SMark Shellenbaum if (error) { 33529e1320c0SMark Shellenbaum dmu_tx_abort(tx); 33539e1320c0SMark Shellenbaum } else { 33549e1320c0SMark Shellenbaum error = zfs_create_share_dir(zfsvfs, tx); 33559e1320c0SMark Shellenbaum dmu_tx_commit(tx); 33569e1320c0SMark Shellenbaum } 33579e1320c0SMark Shellenbaum if (error) { 33589e1320c0SMark Shellenbaum mutex_exit(&zfsvfs->z_lock); 33599e1320c0SMark Shellenbaum VN_RELE(vp); 33609e1320c0SMark Shellenbaum ZFS_EXIT(zfsvfs); 33619e1320c0SMark Shellenbaum return (error); 33629e1320c0SMark Shellenbaum } 33639e1320c0SMark Shellenbaum } 33649e1320c0SMark Shellenbaum mutex_exit(&zfsvfs->z_lock); 33659e1320c0SMark Shellenbaum 33669e1320c0SMark Shellenbaum ASSERT(zfsvfs->z_shares_dir); 3367743a77edSAlan Wright if ((error = zfs_zget(zfsvfs, zfsvfs->z_shares_dir, &sharedir)) != 0) { 33689e1320c0SMark Shellenbaum VN_RELE(vp); 3369743a77edSAlan Wright ZFS_EXIT(zfsvfs); 3370743a77edSAlan Wright return (error); 3371743a77edSAlan Wright } 3372743a77edSAlan Wright 3373743a77edSAlan Wright switch (zc->zc_cookie) { 3374743a77edSAlan Wright case ZFS_SMB_ACL_ADD: 3375743a77edSAlan Wright vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE; 3376743a77edSAlan Wright vattr.va_type = VREG; 3377743a77edSAlan Wright vattr.va_mode = S_IFREG|0777; 3378743a77edSAlan Wright vattr.va_uid = 0; 3379743a77edSAlan Wright vattr.va_gid = 0; 3380743a77edSAlan Wright 3381743a77edSAlan Wright vsec.vsa_mask = VSA_ACE; 3382743a77edSAlan Wright vsec.vsa_aclentp = &full_access; 3383743a77edSAlan Wright vsec.vsa_aclentsz = sizeof (full_access); 3384743a77edSAlan Wright vsec.vsa_aclcnt = 1; 3385743a77edSAlan Wright 3386743a77edSAlan Wright error = VOP_CREATE(ZTOV(sharedir), zc->zc_string, 3387743a77edSAlan Wright &vattr, EXCL, 0, &resourcevp, kcred, 0, NULL, &vsec); 3388743a77edSAlan Wright if (resourcevp) 3389743a77edSAlan Wright VN_RELE(resourcevp); 3390743a77edSAlan Wright break; 3391743a77edSAlan Wright 3392743a77edSAlan Wright case ZFS_SMB_ACL_REMOVE: 3393743a77edSAlan Wright error = VOP_REMOVE(ZTOV(sharedir), zc->zc_string, kcred, 3394743a77edSAlan Wright NULL, 0); 3395743a77edSAlan Wright break; 3396743a77edSAlan Wright 3397743a77edSAlan Wright case ZFS_SMB_ACL_RENAME: 3398743a77edSAlan Wright if ((error = get_nvlist(zc->zc_nvlist_src, 3399478ed9adSEric Taylor zc->zc_nvlist_src_size, zc->zc_iflags, &nvlist)) != 0) { 3400743a77edSAlan Wright VN_RELE(vp); 3401743a77edSAlan Wright ZFS_EXIT(zfsvfs); 3402743a77edSAlan Wright return (error); 3403743a77edSAlan Wright } 3404743a77edSAlan Wright if (nvlist_lookup_string(nvlist, ZFS_SMB_ACL_SRC, &src) || 3405743a77edSAlan Wright nvlist_lookup_string(nvlist, ZFS_SMB_ACL_TARGET, 3406743a77edSAlan Wright &target)) { 3407743a77edSAlan Wright VN_RELE(vp); 340889459e17SMark Shellenbaum VN_RELE(ZTOV(sharedir)); 3409743a77edSAlan Wright ZFS_EXIT(zfsvfs); 3410743a77edSAlan Wright return (error); 3411743a77edSAlan Wright } 3412743a77edSAlan Wright error = VOP_RENAME(ZTOV(sharedir), src, ZTOV(sharedir), target, 3413743a77edSAlan Wright kcred, NULL, 0); 3414743a77edSAlan Wright nvlist_free(nvlist); 3415743a77edSAlan Wright break; 3416743a77edSAlan Wright 3417743a77edSAlan Wright case ZFS_SMB_ACL_PURGE: 3418743a77edSAlan Wright error = zfs_smb_acl_purge(sharedir); 3419743a77edSAlan Wright break; 3420743a77edSAlan Wright 3421743a77edSAlan Wright default: 3422743a77edSAlan Wright error = EINVAL; 3423743a77edSAlan Wright break; 3424743a77edSAlan Wright } 3425743a77edSAlan Wright 3426743a77edSAlan Wright VN_RELE(vp); 3427743a77edSAlan Wright VN_RELE(ZTOV(sharedir)); 3428743a77edSAlan Wright 3429743a77edSAlan Wright ZFS_EXIT(zfsvfs); 3430743a77edSAlan Wright 3431743a77edSAlan Wright return (error); 3432743a77edSAlan Wright } 3433743a77edSAlan Wright 3434842727c2SChris Kirby /* 3435842727c2SChris Kirby * inputs: 3436842727c2SChris Kirby * zc_name name of filesystem 3437842727c2SChris Kirby * zc_value short name of snap 3438842727c2SChris Kirby * zc_string user-supplied tag for this reference 3439842727c2SChris Kirby * zc_cookie recursive flag 3440ca45db41SChris Kirby * zc_temphold set if hold is temporary 3441842727c2SChris Kirby * 3442842727c2SChris Kirby * outputs: none 3443842727c2SChris Kirby */ 3444842727c2SChris Kirby static int 3445842727c2SChris Kirby zfs_ioc_hold(zfs_cmd_t *zc) 3446842727c2SChris Kirby { 3447842727c2SChris Kirby boolean_t recursive = zc->zc_cookie; 3448842727c2SChris Kirby 3449842727c2SChris Kirby if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 3450842727c2SChris Kirby return (EINVAL); 3451842727c2SChris Kirby 3452842727c2SChris Kirby return (dsl_dataset_user_hold(zc->zc_name, zc->zc_value, 3453ca45db41SChris Kirby zc->zc_string, recursive, zc->zc_temphold)); 3454842727c2SChris Kirby } 3455842727c2SChris Kirby 3456842727c2SChris Kirby /* 3457842727c2SChris Kirby * inputs: 3458842727c2SChris Kirby * zc_name name of dataset from which we're releasing a user reference 3459842727c2SChris Kirby * zc_value short name of snap 3460842727c2SChris Kirby * zc_string user-supplied tag for this reference 3461842727c2SChris Kirby * zc_cookie recursive flag 3462842727c2SChris Kirby * 3463842727c2SChris Kirby * outputs: none 3464842727c2SChris Kirby */ 3465842727c2SChris Kirby static int 3466842727c2SChris Kirby zfs_ioc_release(zfs_cmd_t *zc) 3467842727c2SChris Kirby { 3468842727c2SChris Kirby boolean_t recursive = zc->zc_cookie; 3469842727c2SChris Kirby 3470842727c2SChris Kirby if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 3471842727c2SChris Kirby return (EINVAL); 3472842727c2SChris Kirby 3473842727c2SChris Kirby return (dsl_dataset_user_release(zc->zc_name, zc->zc_value, 3474842727c2SChris Kirby zc->zc_string, recursive)); 3475842727c2SChris Kirby } 3476842727c2SChris Kirby 3477842727c2SChris Kirby /* 3478842727c2SChris Kirby * inputs: 3479842727c2SChris Kirby * zc_name name of filesystem 3480842727c2SChris Kirby * 3481842727c2SChris Kirby * outputs: 3482842727c2SChris Kirby * zc_nvlist_src{_size} nvlist of snapshot holds 3483842727c2SChris Kirby */ 3484842727c2SChris Kirby static int 3485842727c2SChris Kirby zfs_ioc_get_holds(zfs_cmd_t *zc) 3486842727c2SChris Kirby { 3487842727c2SChris Kirby nvlist_t *nvp; 3488842727c2SChris Kirby int error; 3489842727c2SChris Kirby 3490842727c2SChris Kirby if ((error = dsl_dataset_get_holds(zc->zc_name, &nvp)) == 0) { 3491842727c2SChris Kirby error = put_nvlist(zc, nvp); 3492842727c2SChris Kirby nvlist_free(nvp); 3493842727c2SChris Kirby } 3494842727c2SChris Kirby 3495842727c2SChris Kirby return (error); 3496842727c2SChris Kirby } 3497842727c2SChris Kirby 3498ecd6cf80Smarks /* 34992a6b87f0Sek * pool create, destroy, and export don't log the history as part of 35002a6b87f0Sek * zfsdev_ioctl, but rather zfs_ioc_pool_create, and zfs_ioc_pool_export 35012a6b87f0Sek * do the logging of those commands. 3502ecd6cf80Smarks */ 3503fa9e4066Sahrens static zfs_ioc_vec_t zfs_ioc_vec[] = { 350454d692b7SGeorge Wilson { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE, 350554d692b7SGeorge Wilson B_FALSE }, 350654d692b7SGeorge Wilson { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE, 350754d692b7SGeorge Wilson B_FALSE }, 350854d692b7SGeorge Wilson { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE, 350954d692b7SGeorge Wilson B_FALSE }, 351054d692b7SGeorge Wilson { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE, 351154d692b7SGeorge Wilson B_FALSE }, 351254d692b7SGeorge Wilson { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE, 351354d692b7SGeorge Wilson B_FALSE }, 351454d692b7SGeorge Wilson { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE, 351554d692b7SGeorge Wilson B_FALSE }, 351654d692b7SGeorge Wilson { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE, 351754d692b7SGeorge Wilson B_FALSE }, 351854d692b7SGeorge Wilson { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE, 351954d692b7SGeorge Wilson B_TRUE }, 352054d692b7SGeorge Wilson { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE, 352154d692b7SGeorge Wilson B_FALSE }, 352254d692b7SGeorge Wilson { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE, 352354d692b7SGeorge Wilson B_TRUE }, 352454d692b7SGeorge Wilson { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE, 352554d692b7SGeorge Wilson B_FALSE }, 352654d692b7SGeorge Wilson { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE, 352754d692b7SGeorge Wilson B_TRUE }, 352854d692b7SGeorge Wilson { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE, 352954d692b7SGeorge Wilson B_TRUE }, 353054d692b7SGeorge Wilson { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE, 353154d692b7SGeorge Wilson B_FALSE }, 353254d692b7SGeorge Wilson { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE, 353354d692b7SGeorge Wilson B_TRUE }, 353454d692b7SGeorge Wilson { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE, 353554d692b7SGeorge Wilson B_TRUE }, 353654d692b7SGeorge Wilson { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE, 353754d692b7SGeorge Wilson B_TRUE }, 35386809eb4eSEric Schrock { zfs_ioc_vdev_setfru, zfs_secpolicy_config, POOL_NAME, B_FALSE, 35396809eb4eSEric Schrock B_TRUE }, 354054d692b7SGeorge Wilson { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 354154d692b7SGeorge Wilson B_FALSE }, 354254d692b7SGeorge Wilson { zfs_ioc_objset_zplprops, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 354354d692b7SGeorge Wilson B_FALSE }, 354454d692b7SGeorge Wilson { zfs_ioc_dataset_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 354554d692b7SGeorge Wilson B_FALSE }, 354654d692b7SGeorge Wilson { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 354754d692b7SGeorge Wilson B_FALSE }, 354854d692b7SGeorge Wilson { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE, B_TRUE }, 354954d692b7SGeorge Wilson { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE, B_TRUE }, 355054d692b7SGeorge Wilson { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE, 355154d692b7SGeorge Wilson B_TRUE}, 355254d692b7SGeorge Wilson { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE, 355354d692b7SGeorge Wilson B_TRUE }, 355454d692b7SGeorge Wilson { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE, B_TRUE }, 355554d692b7SGeorge Wilson { zfs_ioc_recv, zfs_secpolicy_receive, DATASET_NAME, B_TRUE, B_TRUE }, 355654d692b7SGeorge Wilson { zfs_ioc_send, zfs_secpolicy_send, DATASET_NAME, B_TRUE, B_FALSE }, 355754d692b7SGeorge Wilson { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE, 355854d692b7SGeorge Wilson B_FALSE }, 355954d692b7SGeorge Wilson { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE, 356054d692b7SGeorge Wilson B_FALSE }, 356154d692b7SGeorge Wilson { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE, 356254d692b7SGeorge Wilson B_FALSE }, 356354d692b7SGeorge Wilson { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE, 356454d692b7SGeorge Wilson B_FALSE }, 356554d692b7SGeorge Wilson { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE, B_FALSE }, 356654d692b7SGeorge Wilson { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE, 356754d692b7SGeorge Wilson B_TRUE }, 356854d692b7SGeorge Wilson { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE, 356954d692b7SGeorge Wilson B_TRUE }, 357054d692b7SGeorge Wilson { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE, 357154d692b7SGeorge Wilson B_TRUE }, 357254d692b7SGeorge Wilson { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE, 357354d692b7SGeorge Wilson B_FALSE }, 35746e8a0f56SGeorge Wilson { zfs_ioc_obj_to_path, zfs_secpolicy_config, DATASET_NAME, B_FALSE, 35756e8a0f56SGeorge Wilson B_TRUE }, 357654d692b7SGeorge Wilson { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE, 357754d692b7SGeorge Wilson B_TRUE }, 357854d692b7SGeorge Wilson { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE, 357954d692b7SGeorge Wilson B_FALSE }, 358054d692b7SGeorge Wilson { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE, 358154d692b7SGeorge Wilson B_TRUE }, 358254d692b7SGeorge Wilson { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 358354d692b7SGeorge Wilson B_FALSE }, 358454d692b7SGeorge Wilson { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, DATASET_NAME, B_FALSE, 358554d692b7SGeorge Wilson B_FALSE }, 358654d692b7SGeorge Wilson { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE, B_FALSE }, 358754d692b7SGeorge Wilson { zfs_ioc_inherit_prop, zfs_secpolicy_inherit, DATASET_NAME, B_TRUE, 358854d692b7SGeorge Wilson B_TRUE }, 358954d692b7SGeorge Wilson { zfs_ioc_smb_acl, zfs_secpolicy_smb_acl, DATASET_NAME, B_FALSE, 359014843421SMatthew Ahrens B_FALSE }, 359114843421SMatthew Ahrens { zfs_ioc_userspace_one, zfs_secpolicy_userspace_one, 359214843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_FALSE }, 359314843421SMatthew Ahrens { zfs_ioc_userspace_many, zfs_secpolicy_userspace_many, 359414843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_FALSE }, 359514843421SMatthew Ahrens { zfs_ioc_userspace_upgrade, zfs_secpolicy_userspace_upgrade, 359614843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_TRUE }, 3597842727c2SChris Kirby { zfs_ioc_hold, zfs_secpolicy_hold, DATASET_NAME, B_TRUE, B_TRUE }, 3598842727c2SChris Kirby { zfs_ioc_release, zfs_secpolicy_release, DATASET_NAME, B_TRUE, 3599842727c2SChris Kirby B_TRUE }, 3600842727c2SChris Kirby { zfs_ioc_get_holds, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 3601842727c2SChris Kirby B_TRUE } 3602fa9e4066Sahrens }; 3603fa9e4066Sahrens 360454d692b7SGeorge Wilson int 360554d692b7SGeorge Wilson pool_status_check(const char *name, zfs_ioc_namecheck_t type) 360654d692b7SGeorge Wilson { 360754d692b7SGeorge Wilson spa_t *spa; 360854d692b7SGeorge Wilson int error; 360954d692b7SGeorge Wilson 361054d692b7SGeorge Wilson ASSERT(type == POOL_NAME || type == DATASET_NAME); 361154d692b7SGeorge Wilson 361214843421SMatthew Ahrens error = spa_open(name, &spa, FTAG); 361354d692b7SGeorge Wilson if (error == 0) { 361454d692b7SGeorge Wilson if (spa_suspended(spa)) 361554d692b7SGeorge Wilson error = EAGAIN; 361654d692b7SGeorge Wilson spa_close(spa, FTAG); 361754d692b7SGeorge Wilson } 361854d692b7SGeorge Wilson return (error); 361954d692b7SGeorge Wilson } 362054d692b7SGeorge Wilson 3621fa9e4066Sahrens static int 3622fa9e4066Sahrens zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) 3623fa9e4066Sahrens { 3624fa9e4066Sahrens zfs_cmd_t *zc; 3625fa9e4066Sahrens uint_t vec; 36261d452cf5Sahrens int error, rc; 3627fa9e4066Sahrens 3628fa9e4066Sahrens if (getminor(dev) != 0) 3629fa9e4066Sahrens return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); 3630fa9e4066Sahrens 3631fa9e4066Sahrens vec = cmd - ZFS_IOC; 363291ebeef5Sahrens ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip)); 3633fa9e4066Sahrens 3634fa9e4066Sahrens if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) 3635fa9e4066Sahrens return (EINVAL); 3636fa9e4066Sahrens 3637fa9e4066Sahrens zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); 3638fa9e4066Sahrens 3639478ed9adSEric Taylor error = ddi_copyin((void *)arg, zc, sizeof (zfs_cmd_t), flag); 3640fa9e4066Sahrens 3641*681d9761SEric Taylor if ((error == 0) && !(flag & FKIOCTL)) 3642ecd6cf80Smarks error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); 3643fa9e4066Sahrens 3644fa9e4066Sahrens /* 3645fa9e4066Sahrens * Ensure that all pool/dataset names are valid before we pass down to 3646fa9e4066Sahrens * the lower layers. 3647fa9e4066Sahrens */ 3648fa9e4066Sahrens if (error == 0) { 3649fa9e4066Sahrens zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; 3650478ed9adSEric Taylor zc->zc_iflags = flag & FKIOCTL; 3651fa9e4066Sahrens switch (zfs_ioc_vec[vec].zvec_namecheck) { 3652e7437265Sahrens case POOL_NAME: 3653fa9e4066Sahrens if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) 3654fa9e4066Sahrens error = EINVAL; 365554d692b7SGeorge Wilson if (zfs_ioc_vec[vec].zvec_pool_check) 365654d692b7SGeorge Wilson error = pool_status_check(zc->zc_name, 365754d692b7SGeorge Wilson zfs_ioc_vec[vec].zvec_namecheck); 3658fa9e4066Sahrens break; 3659fa9e4066Sahrens 3660e7437265Sahrens case DATASET_NAME: 3661fa9e4066Sahrens if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) 3662fa9e4066Sahrens error = EINVAL; 366354d692b7SGeorge Wilson if (zfs_ioc_vec[vec].zvec_pool_check) 366454d692b7SGeorge Wilson error = pool_status_check(zc->zc_name, 366554d692b7SGeorge Wilson zfs_ioc_vec[vec].zvec_namecheck); 3666fa9e4066Sahrens break; 36675ad82045Snd 3668e7437265Sahrens case NO_NAME: 36695ad82045Snd break; 3670fa9e4066Sahrens } 3671fa9e4066Sahrens } 3672fa9e4066Sahrens 3673fa9e4066Sahrens if (error == 0) 3674fa9e4066Sahrens error = zfs_ioc_vec[vec].zvec_func(zc); 3675fa9e4066Sahrens 3676478ed9adSEric Taylor rc = ddi_copyout(zc, (void *)arg, sizeof (zfs_cmd_t), flag); 3677ecd6cf80Smarks if (error == 0) { 36781d452cf5Sahrens error = rc; 367914843421SMatthew Ahrens if (zfs_ioc_vec[vec].zvec_his_log) 3680ecd6cf80Smarks zfs_log_history(zc); 3681ecd6cf80Smarks } 3682fa9e4066Sahrens 3683fa9e4066Sahrens kmem_free(zc, sizeof (zfs_cmd_t)); 3684fa9e4066Sahrens return (error); 3685fa9e4066Sahrens } 3686fa9e4066Sahrens 3687fa9e4066Sahrens static int 3688fa9e4066Sahrens zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 3689fa9e4066Sahrens { 3690fa9e4066Sahrens if (cmd != DDI_ATTACH) 3691fa9e4066Sahrens return (DDI_FAILURE); 3692fa9e4066Sahrens 3693fa9e4066Sahrens if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, 3694fa9e4066Sahrens DDI_PSEUDO, 0) == DDI_FAILURE) 3695fa9e4066Sahrens return (DDI_FAILURE); 3696fa9e4066Sahrens 3697fa9e4066Sahrens zfs_dip = dip; 3698fa9e4066Sahrens 3699fa9e4066Sahrens ddi_report_dev(dip); 3700fa9e4066Sahrens 3701fa9e4066Sahrens return (DDI_SUCCESS); 3702fa9e4066Sahrens } 3703fa9e4066Sahrens 3704fa9e4066Sahrens static int 3705fa9e4066Sahrens zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 3706fa9e4066Sahrens { 3707fa9e4066Sahrens if (spa_busy() || zfs_busy() || zvol_busy()) 3708fa9e4066Sahrens return (DDI_FAILURE); 3709fa9e4066Sahrens 3710fa9e4066Sahrens if (cmd != DDI_DETACH) 3711fa9e4066Sahrens return (DDI_FAILURE); 3712fa9e4066Sahrens 3713fa9e4066Sahrens zfs_dip = NULL; 3714fa9e4066Sahrens 3715fa9e4066Sahrens ddi_prop_remove_all(dip); 3716fa9e4066Sahrens ddi_remove_minor_node(dip, NULL); 3717fa9e4066Sahrens 3718fa9e4066Sahrens return (DDI_SUCCESS); 3719fa9e4066Sahrens } 3720fa9e4066Sahrens 3721fa9e4066Sahrens /*ARGSUSED*/ 3722fa9e4066Sahrens static int 3723fa9e4066Sahrens zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 3724fa9e4066Sahrens { 3725fa9e4066Sahrens switch (infocmd) { 3726fa9e4066Sahrens case DDI_INFO_DEVT2DEVINFO: 3727fa9e4066Sahrens *result = zfs_dip; 3728fa9e4066Sahrens return (DDI_SUCCESS); 3729fa9e4066Sahrens 3730fa9e4066Sahrens case DDI_INFO_DEVT2INSTANCE: 3731a0965f35Sbonwick *result = (void *)0; 3732fa9e4066Sahrens return (DDI_SUCCESS); 3733fa9e4066Sahrens } 3734fa9e4066Sahrens 3735fa9e4066Sahrens return (DDI_FAILURE); 3736fa9e4066Sahrens } 3737fa9e4066Sahrens 3738fa9e4066Sahrens /* 3739fa9e4066Sahrens * OK, so this is a little weird. 3740fa9e4066Sahrens * 3741fa9e4066Sahrens * /dev/zfs is the control node, i.e. minor 0. 3742fa9e4066Sahrens * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. 3743fa9e4066Sahrens * 3744fa9e4066Sahrens * /dev/zfs has basically nothing to do except serve up ioctls, 3745fa9e4066Sahrens * so most of the standard driver entry points are in zvol.c. 3746fa9e4066Sahrens */ 3747fa9e4066Sahrens static struct cb_ops zfs_cb_ops = { 3748fa9e4066Sahrens zvol_open, /* open */ 3749fa9e4066Sahrens zvol_close, /* close */ 3750fa9e4066Sahrens zvol_strategy, /* strategy */ 3751fa9e4066Sahrens nodev, /* print */ 3752e7cbe64fSgw zvol_dump, /* dump */ 3753fa9e4066Sahrens zvol_read, /* read */ 3754fa9e4066Sahrens zvol_write, /* write */ 3755fa9e4066Sahrens zfsdev_ioctl, /* ioctl */ 3756fa9e4066Sahrens nodev, /* devmap */ 3757fa9e4066Sahrens nodev, /* mmap */ 3758fa9e4066Sahrens nodev, /* segmap */ 3759fa9e4066Sahrens nochpoll, /* poll */ 3760fa9e4066Sahrens ddi_prop_op, /* prop_op */ 3761fa9e4066Sahrens NULL, /* streamtab */ 3762fa9e4066Sahrens D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ 3763fa9e4066Sahrens CB_REV, /* version */ 3764feb08c6bSbillm nodev, /* async read */ 3765feb08c6bSbillm nodev, /* async write */ 3766fa9e4066Sahrens }; 3767fa9e4066Sahrens 3768fa9e4066Sahrens static struct dev_ops zfs_dev_ops = { 3769fa9e4066Sahrens DEVO_REV, /* version */ 3770fa9e4066Sahrens 0, /* refcnt */ 3771fa9e4066Sahrens zfs_info, /* info */ 3772fa9e4066Sahrens nulldev, /* identify */ 3773fa9e4066Sahrens nulldev, /* probe */ 3774fa9e4066Sahrens zfs_attach, /* attach */ 3775fa9e4066Sahrens zfs_detach, /* detach */ 3776fa9e4066Sahrens nodev, /* reset */ 3777fa9e4066Sahrens &zfs_cb_ops, /* driver operations */ 377819397407SSherry Moore NULL, /* no bus operations */ 377919397407SSherry Moore NULL, /* power */ 378019397407SSherry Moore ddi_quiesce_not_needed, /* quiesce */ 3781fa9e4066Sahrens }; 3782fa9e4066Sahrens 3783fa9e4066Sahrens static struct modldrv zfs_modldrv = { 378419397407SSherry Moore &mod_driverops, 378519397407SSherry Moore "ZFS storage pool", 378619397407SSherry Moore &zfs_dev_ops 3787fa9e4066Sahrens }; 3788fa9e4066Sahrens 3789fa9e4066Sahrens static struct modlinkage modlinkage = { 3790fa9e4066Sahrens MODREV_1, 3791fa9e4066Sahrens (void *)&zfs_modlfs, 3792fa9e4066Sahrens (void *)&zfs_modldrv, 3793fa9e4066Sahrens NULL 3794fa9e4066Sahrens }; 3795fa9e4066Sahrens 3796ec533521Sfr 3797ec533521Sfr uint_t zfs_fsyncer_key; 3798f18faf3fSek extern uint_t rrw_tsd_key; 3799ec533521Sfr 3800fa9e4066Sahrens int 3801fa9e4066Sahrens _init(void) 3802fa9e4066Sahrens { 3803fa9e4066Sahrens int error; 3804fa9e4066Sahrens 3805a0965f35Sbonwick spa_init(FREAD | FWRITE); 3806a0965f35Sbonwick zfs_init(); 3807a0965f35Sbonwick zvol_init(); 3808a0965f35Sbonwick 3809a0965f35Sbonwick if ((error = mod_install(&modlinkage)) != 0) { 3810a0965f35Sbonwick zvol_fini(); 3811a0965f35Sbonwick zfs_fini(); 3812a0965f35Sbonwick spa_fini(); 3813fa9e4066Sahrens return (error); 3814a0965f35Sbonwick } 3815fa9e4066Sahrens 3816ec533521Sfr tsd_create(&zfs_fsyncer_key, NULL); 3817f18faf3fSek tsd_create(&rrw_tsd_key, NULL); 3818ec533521Sfr 3819fa9e4066Sahrens error = ldi_ident_from_mod(&modlinkage, &zfs_li); 3820fa9e4066Sahrens ASSERT(error == 0); 3821ecd6cf80Smarks mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); 3822fa9e4066Sahrens 3823fa9e4066Sahrens return (0); 3824fa9e4066Sahrens } 3825fa9e4066Sahrens 3826fa9e4066Sahrens int 3827fa9e4066Sahrens _fini(void) 3828fa9e4066Sahrens { 3829fa9e4066Sahrens int error; 3830fa9e4066Sahrens 3831ea8dc4b6Seschrock if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) 3832fa9e4066Sahrens return (EBUSY); 3833fa9e4066Sahrens 3834fa9e4066Sahrens if ((error = mod_remove(&modlinkage)) != 0) 3835fa9e4066Sahrens return (error); 3836fa9e4066Sahrens 3837fa9e4066Sahrens zvol_fini(); 3838fa9e4066Sahrens zfs_fini(); 3839fa9e4066Sahrens spa_fini(); 3840da6c28aaSamw if (zfs_nfsshare_inited) 3841ecd6cf80Smarks (void) ddi_modclose(nfs_mod); 3842da6c28aaSamw if (zfs_smbshare_inited) 3843da6c28aaSamw (void) ddi_modclose(smbsrv_mod); 3844da6c28aaSamw if (zfs_nfsshare_inited || zfs_smbshare_inited) 3845ecd6cf80Smarks (void) ddi_modclose(sharefs_mod); 3846fa9e4066Sahrens 3847ec533521Sfr tsd_destroy(&zfs_fsyncer_key); 3848fa9e4066Sahrens ldi_ident_release(zfs_li); 3849fa9e4066Sahrens zfs_li = NULL; 3850ecd6cf80Smarks mutex_destroy(&zfs_share_lock); 3851fa9e4066Sahrens 3852fa9e4066Sahrens return (error); 3853fa9e4066Sahrens } 3854fa9e4066Sahrens 3855fa9e4066Sahrens int 3856fa9e4066Sahrens _info(struct modinfo *modinfop) 3857fa9e4066Sahrens { 3858fa9e4066Sahrens return (mod_info(&modlinkage, modinfop)); 3859fa9e4066Sahrens } 3860